US20060248653A1 - Method and apparatus for hanging lights and other fixtures - Google Patents
Method and apparatus for hanging lights and other fixtures Download PDFInfo
- Publication number
- US20060248653A1 US20060248653A1 US11/121,855 US12185505A US2006248653A1 US 20060248653 A1 US20060248653 A1 US 20060248653A1 US 12185505 A US12185505 A US 12185505A US 2006248653 A1 US2006248653 A1 US 2006248653A1
- Authority
- US
- United States
- Prior art keywords
- insert
- hole
- drill
- drill bit
- fixture
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims description 6
- 238000005553 drilling Methods 0.000 claims description 3
- 239000002023 wood Substances 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract 1
- 238000009434 installation Methods 0.000 description 5
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 230000013011 mating Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
- F21V21/10—Pendants, arms, or standards; Fixing lighting devices to pendants, arms, or standards
- F21V21/104—Pendants
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B49/00—Measuring or gauging equipment on boring machines for positioning or guiding the drill; Devices for indicating failure of drills during boring; Centering devices for holes to be bored
- B23B49/003—Stops attached to drilling tools, tool holders or drilling machines
- B23B49/005—Attached to the drill
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B51/00—Tools for drilling machines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/14—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same
- B25B27/143—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same for installing wire thread inserts or tubular threaded inserts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B23/00—Specially shaped nuts or heads of bolts or screws for rotations by a tool
- F16B23/0007—Specially shaped nuts or heads of bolts or screws for rotations by a tool characterised by the shape of the recess or the protrusion engaging the tool
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2251/00—Details of tools for drilling machines
- B23B2251/02—Connections between shanks and removable cutting heads
Definitions
- This invention relates to an insert hanger device for mounting fixtures or holiday lights on a wooden support or the like and a method for its installation in which the same drill chuck can be utilized to both drill a hole and drive a threaded insert into the hole to form a mating thread on the sides of the hole.
- the device of the invention is an improvement over the prior art in that it has a threaded cylindrical insert which is driven by a drill into a hole which has previously been formed by a drill bit attached the same drill chuck as used in drilling the hole.
- the threaded insert forms a mating thread in the backing which may be of wood so that the insert is threadably attached to the wall of the hole and can readily be removed for repair or replacement.
- the drill chuck has a pair of approximately parallel driver arms for alternative connection to similar bars formed in the center of the drill bit and insert. When installed, the driver arms are vertically free from the bars but are not rotational relative thereto so that the drill chuck alternatively rotatably drive the drill bit or the insert but is removably attached thereto.
- a hook is removably connected to the bar formed in the center of the insert, the fixture being supported on the hook.
- FIG. 1 is an exploded perspective view of the drill chuck and drill bit of a preferred embodiment of the invention
- FIG. 2 is a side elevational view showing the drill bit and drill chuck of the preferred embodiment immediately after the hole has been drilled;
- FIG. 3 is a side elevational view showing the hole drilled in the backing by the drill bit
- FIG. 4 is an exploded perspective view illustrating the drill chuck and insert of the preferred embodiment
- FIG. 5 is a side elevational view showing the insert prior to its installation in the hole
- FIG. 5 is a side elevational view showing the insert prior to its installation in the hole
- FIG. 6 is a side elevational view showing the insert after it has been driven into the hole
- FIG. 7 is a bottom perspective view illustrating the installation of the hook for supporting the fixtures from the insert.
- the drill chuck 11 is removably attached to drill 12 and has a cylindrical central portion 11 a , an end portion 11 b which is attached to the drill, and a pair of driver arms 11 c which are approximately parallel to each other and extend from the end of the chuck opposite to end portion 11 b.
- Drill bit 13 has a hollow cylindrical portion 13 a which has a centrally located arm 13 b which extends into the center of the cylinder.
- Driver arms 11 c are slidably inserted into the drill over arm 13 b and are slidably removable therefore but not rotatable relative thereto, thereby providing a drivable connection between the drill bit and the drill.
- a drill bit 13 c Extending from cylinder 13 a is a drill bit 13 c which has first and second pairs of opposing blades 13 d and 13 e .
- the blades 13 d are of the same size and shape as are blades 13 e .
- Blades 13 d are longer than blades 13 c.
- the drill bit 13 is shown after it has driven a hole in backing 15 which may be of wood.
- the top surface of cylindrical portion 13 a of the drill bit acts as a stop to limit the depth of the hole. 16 .
- the hole 16 which is drilled into the backing is illustrated.
- Insert 17 is in the form of a hollow cylinder and has threads 17 a formed on its outer surface.
- a circular stop portion 17 b is formed on the top of the insert to limit its travel into the hole 16 .
- the insert further has a centrally located arm 17 c which is similar to the arm 13 b formed in the drill bit.
- the opposing driver arms 11 c of the drill chuck fit into the insert over arm 17 c as shown in FIG. 5 and thus enable the chuck to be driven by the drill 12 .
- the diameter of the insert 17 is slightly larger than that of the hole so that when the insert is driven into the whole 16 , a thread is formed in the sides of the hole formed in backing 15 .
- the insert is threadably attached to the sides of the hole for ready removal and replacement or repair as may be required.
- the similar rapid attachment and removal of both the drill bit and the insert to the drill chuck facilitates the installation of inserts, particularly in situations where many inserts are being successively installed.
- FIG. 5 is an exploded view showing the insert before it is installed while FIG. 6 shows the insert installed but prior to the removal of the drill chuck.
- Fixtures 21 are attached to the insert 17 installed in backing 15 by means of hook 20 which is suspended from arm 17 c and from which the fixture 21 which may be a light fixture is suspended, as shown in FIG. 7 .
Abstract
Description
- 1. Field of the Invention
- This invention relates to an insert hanger device for mounting fixtures or holiday lights on a wooden support or the like and a method for its installation in which the same drill chuck can be utilized to both drill a hole and drive a threaded insert into the hole to form a mating thread on the sides of the hole.
- 2. Description of the Related Art
- Devices are described in the prior for forming a hole in a support member, often concrete and then driving a stud or an insert into the concrete. In most of these devices, there is sealing resin placed in a container in the hole, and this container is pierced by the pointed end of the insert to form a seal for holding the insert in place. U.S. Pat. No. 4,652,193 issued on Mar. 24, 1987 to Hibbs and U.S. Pat. No. 4,404,875 issued Sep. 20, 1983 to Sadanandan describe such devices in which a hole is first formed in concrete with a drill and then an insert is attached to a drill bit and driven into the hole by a drill. In both of these devices, there is a container with resin or the like placed in the hole which is pierced by the insert so that the resin flows around the insert to seal it in place.
- In both of these devices the insert is sealed in place and cannot readily be removed should this be necessary. These prior art devices are constructed to attach implements to the concrete surface with nuts and not to hang fixtures or the like therefrom. Further, these devices are not adapted to utilize the same drill chuck for both drilling the hole and driving the insert or stud into place and for rapidly and easily alternatively connecting the drill chuck to the drill bit or the insert and removing the chuck therefrom.
- The device of the invention is an improvement over the prior art in that it has a threaded cylindrical insert which is driven by a drill into a hole which has previously been formed by a drill bit attached the same drill chuck as used in drilling the hole. The threaded insert forms a mating thread in the backing which may be of wood so that the insert is threadably attached to the wall of the hole and can readily be removed for repair or replacement. The drill chuck has a pair of approximately parallel driver arms for alternative connection to similar bars formed in the center of the drill bit and insert. When installed, the driver arms are vertically free from the bars but are not rotational relative thereto so that the drill chuck alternatively rotatably drive the drill bit or the insert but is removably attached thereto.
- The removal and attachment of the drill bit and insert to the drill chuck is thus, simply and rapidly achieved. A hook is removably connected to the bar formed in the center of the insert, the fixture being supported on the hook.
-
-
FIG. 1 is an exploded perspective view of the drill chuck and drill bit of a preferred embodiment of the invention; -
FIG. 2 is a side elevational view showing the drill bit and drill chuck of the preferred embodiment immediately after the hole has been drilled; -
FIG. 3 is a side elevational view showing the hole drilled in the backing by the drill bit; -
FIG. 4 is an exploded perspective view illustrating the drill chuck and insert of the preferred embodiment;FIG. 5 is a side elevational view showing the insert prior to its installation in the hole; and -
FIG. 5 is a side elevational view showing the insert prior to its installation in the hole;FIG. 6 is a side elevational view showing the insert after it has been driven into the hole; and -
FIG. 7 is a bottom perspective view illustrating the installation of the hook for supporting the fixtures from the insert. - Referring to
FIG. 1 , an exploded view of the drill bit and chuck of a preferred embodiment of the invention is illustrated. Thedrill chuck 11 is removably attached todrill 12 and has a cylindricalcentral portion 11 a, anend portion 11 b which is attached to the drill, and a pair ofdriver arms 11 c which are approximately parallel to each other and extend from the end of the chuck opposite toend portion 11 b. -
Drill bit 13 has a hollowcylindrical portion 13 a which has a centrally locatedarm 13 b which extends into the center of the cylinder.Driver arms 11 c are slidably inserted into the drill overarm 13 b and are slidably removable therefore but not rotatable relative thereto, thereby providing a drivable connection between the drill bit and the drill. - Extending from
cylinder 13 a is adrill bit 13 c which has first and second pairs ofopposing blades blades 13 d are of the same size and shape as areblades 13 e.Blades 13 d are longer thanblades 13 c. - Referring to
FIG. 2 , thedrill bit 13 is shown after it has driven a hole inbacking 15 which may be of wood. The top surface ofcylindrical portion 13 a of the drill bit acts as a stop to limit the depth of the hole. 16. Referring toFIG. 3 , thehole 16 which is drilled into the backing is illustrated. - Referring to
FIG. 4 , an exploded view of thedrill chuck 11 and theinsert 17 is shown.Insert 17 is in the form of a hollow cylinder and hasthreads 17 a formed on its outer surface. Acircular stop portion 17 b is formed on the top of the insert to limit its travel into thehole 16. The insert further has a centrally located arm 17 c which is similar to thearm 13 b formed in the drill bit. Theopposing driver arms 11 c of the drill chuck fit into the insert over arm 17 c as shown inFIG. 5 and thus enable the chuck to be driven by thedrill 12. The diameter of theinsert 17 is slightly larger than that of the hole so that when the insert is driven into the whole 16, a thread is formed in the sides of the hole formed inbacking 15. In this manner, the insert is threadably attached to the sides of the hole for ready removal and replacement or repair as may be required. The similar rapid attachment and removal of both the drill bit and the insert to the drill chuck facilitates the installation of inserts, particularly in situations where many inserts are being successively installed. -
FIG. 5 is an exploded view showing the insert before it is installed whileFIG. 6 shows the insert installed but prior to the removal of the drill chuck. -
Fixtures 21 are attached to theinsert 17 installed inbacking 15 by means ofhook 20 which is suspended from arm 17 c and from which thefixture 21 which may be a light fixture is suspended, as shown inFIG. 7 . - While the invention has been described and illustrated in detail, it is to be understood that this is by way of illustration and example only, the spirit and scope of the invention being limited by the terms of the following claims.
Claims (9)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/121,855 US7124459B1 (en) | 2005-05-03 | 2005-05-03 | Method and apparatus for hanging lights and other fixtures |
CA002607261A CA2607261A1 (en) | 2005-05-03 | 2005-05-26 | Method and apparatus for hanging lights and other fixtures |
PCT/US2005/018588 WO2006118582A2 (en) | 2005-05-03 | 2005-05-26 | Method and apparatus for hanging lights and other fixtures |
AU2005331320A AU2005331320A1 (en) | 2005-05-03 | 2005-05-26 | Method and apparatus for hanging lights and other fixtures |
EP05758758A EP1877228A4 (en) | 2005-05-03 | 2005-05-26 | Method and apparatus for hanging lights and other fixtures |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/121,855 US7124459B1 (en) | 2005-05-03 | 2005-05-03 | Method and apparatus for hanging lights and other fixtures |
Publications (2)
Publication Number | Publication Date |
---|---|
US7124459B1 US7124459B1 (en) | 2006-10-24 |
US20060248653A1 true US20060248653A1 (en) | 2006-11-09 |
Family
ID=37110387
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/121,855 Expired - Fee Related US7124459B1 (en) | 2005-05-03 | 2005-05-03 | Method and apparatus for hanging lights and other fixtures |
Country Status (5)
Country | Link |
---|---|
US (1) | US7124459B1 (en) |
EP (1) | EP1877228A4 (en) |
AU (1) | AU2005331320A1 (en) |
CA (1) | CA2607261A1 (en) |
WO (1) | WO2006118582A2 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3824146A1 (en) * | 2018-07-17 | 2021-05-26 | Hilti Aktiengesellschaft | Systems and methods for a combination tool utilized with an anchoring system |
EP4098402A4 (en) * | 2020-01-30 | 2024-03-27 | Lara Ricardo Isidro Zuniga | Device for removing wall plugs |
Citations (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2930199A (en) * | 1955-03-24 | 1960-03-29 | Jarund Harry Sigurd Valdemar | Method of anchoring bolts |
US3130503A (en) * | 1960-10-27 | 1964-04-28 | Rosan Eng Corp | Heel lift and fastener |
US4149350A (en) * | 1976-12-28 | 1979-04-17 | Artur Fischer | Arrangement for mounting an anchoring element |
US4193715A (en) * | 1978-05-12 | 1980-03-18 | The Eastern Company | Mine roof support method and apparatus |
US4263832A (en) * | 1975-06-09 | 1981-04-28 | Hilti Aktiengesellschaft | Adhesively secured anchor bolt |
US4404875A (en) * | 1980-07-18 | 1983-09-20 | Usm Corporation | Installer drive unit for chemical anchor |
US4419805A (en) * | 1980-11-21 | 1983-12-13 | Jennmar Corporation | Method for combining resin bonding and mechanical anchoring of a bolt in a rock formation |
US4507817A (en) * | 1981-10-08 | 1985-04-02 | Staffeld Stanley E | Connector and insertion tool |
US4514125A (en) * | 1982-03-19 | 1985-04-30 | Invocas, Inc. | Fastener improvement including introduction of selected capsule of adhesive into porous basket hung in bore for activation by fastener installation |
US4518292A (en) * | 1980-11-21 | 1985-05-21 | Jennmar Corporation | Method and apparatus for combining resin bonding and mechanical anchoring of a bolt in a rock formation |
US4652193A (en) * | 1986-02-03 | 1987-03-24 | Hibbs Jerry M | Adhesively secured anchor |
US4729705A (en) * | 1987-02-02 | 1988-03-08 | Atr International, Inc. | Insert fastener in a lightweight panel |
US4738255A (en) * | 1986-04-07 | 1988-04-19 | Biotron Labs, Inc. | Suture anchor system |
US4867249A (en) * | 1988-08-16 | 1989-09-19 | Watkins Jr Rex A | Driving and setting tool |
US5255485A (en) * | 1988-08-25 | 1993-10-26 | Stuart H. Lemke | Apparatus and method for installing roofing fasteners |
US5409333A (en) * | 1994-02-01 | 1995-04-25 | Ho-Shuenn Huang | Multiply functioned drill means |
US5568711A (en) * | 1994-04-20 | 1996-10-29 | Hilti Aktiengesellschaft | Attachment anchor assembly |
US5653563A (en) * | 1995-10-26 | 1997-08-05 | Illinois Tool Works Inc. | Anchor |
US5711043A (en) * | 1996-10-08 | 1998-01-27 | Diversified Fastening Systems, Inc. | Set tool and cap |
US5807051A (en) * | 1995-09-18 | 1998-09-15 | United Industries Corporation | Dielectric adhesive insert anchor |
US5979913A (en) * | 1998-05-19 | 1999-11-09 | Kosik; Thomas | Universal driving and setting tool and method of using same |
US6033162A (en) * | 1996-10-16 | 2000-03-07 | Firma Drebo Werkseug-Fabrik Gmbh | Bit adaptor |
US20010029634A1 (en) * | 1999-05-03 | 2001-10-18 | Andre Lamarre | Tool for setting drop-in anchors |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4218794A (en) * | 1979-03-23 | 1980-08-26 | Illinois Tool Works Inc. | Hole-drilling and fastener-driving combination tool |
DE19904053A1 (en) * | 1999-02-02 | 2000-08-03 | Thaleck Consulting Gmbh | Anchor bolt has threaded shank joined to screw head, transverse cavity and conical tapering part |
-
2005
- 2005-05-03 US US11/121,855 patent/US7124459B1/en not_active Expired - Fee Related
- 2005-05-26 EP EP05758758A patent/EP1877228A4/en not_active Withdrawn
- 2005-05-26 WO PCT/US2005/018588 patent/WO2006118582A2/en active Application Filing
- 2005-05-26 AU AU2005331320A patent/AU2005331320A1/en not_active Abandoned
- 2005-05-26 CA CA002607261A patent/CA2607261A1/en not_active Abandoned
Patent Citations (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2930199A (en) * | 1955-03-24 | 1960-03-29 | Jarund Harry Sigurd Valdemar | Method of anchoring bolts |
US3130503A (en) * | 1960-10-27 | 1964-04-28 | Rosan Eng Corp | Heel lift and fastener |
US4263832A (en) * | 1975-06-09 | 1981-04-28 | Hilti Aktiengesellschaft | Adhesively secured anchor bolt |
US4149350A (en) * | 1976-12-28 | 1979-04-17 | Artur Fischer | Arrangement for mounting an anchoring element |
US4193715A (en) * | 1978-05-12 | 1980-03-18 | The Eastern Company | Mine roof support method and apparatus |
US4404875A (en) * | 1980-07-18 | 1983-09-20 | Usm Corporation | Installer drive unit for chemical anchor |
US4419805A (en) * | 1980-11-21 | 1983-12-13 | Jennmar Corporation | Method for combining resin bonding and mechanical anchoring of a bolt in a rock formation |
US4518292A (en) * | 1980-11-21 | 1985-05-21 | Jennmar Corporation | Method and apparatus for combining resin bonding and mechanical anchoring of a bolt in a rock formation |
US4518292B1 (en) * | 1980-11-21 | 1989-01-17 | ||
US4507817A (en) * | 1981-10-08 | 1985-04-02 | Staffeld Stanley E | Connector and insertion tool |
US4514125A (en) * | 1982-03-19 | 1985-04-30 | Invocas, Inc. | Fastener improvement including introduction of selected capsule of adhesive into porous basket hung in bore for activation by fastener installation |
US4652193A (en) * | 1986-02-03 | 1987-03-24 | Hibbs Jerry M | Adhesively secured anchor |
US4738255A (en) * | 1986-04-07 | 1988-04-19 | Biotron Labs, Inc. | Suture anchor system |
US4729705A (en) * | 1987-02-02 | 1988-03-08 | Atr International, Inc. | Insert fastener in a lightweight panel |
US4867249A (en) * | 1988-08-16 | 1989-09-19 | Watkins Jr Rex A | Driving and setting tool |
US5255485A (en) * | 1988-08-25 | 1993-10-26 | Stuart H. Lemke | Apparatus and method for installing roofing fasteners |
US5409333A (en) * | 1994-02-01 | 1995-04-25 | Ho-Shuenn Huang | Multiply functioned drill means |
US5568711A (en) * | 1994-04-20 | 1996-10-29 | Hilti Aktiengesellschaft | Attachment anchor assembly |
US5807051A (en) * | 1995-09-18 | 1998-09-15 | United Industries Corporation | Dielectric adhesive insert anchor |
US5653563A (en) * | 1995-10-26 | 1997-08-05 | Illinois Tool Works Inc. | Anchor |
US5711043A (en) * | 1996-10-08 | 1998-01-27 | Diversified Fastening Systems, Inc. | Set tool and cap |
US6033162A (en) * | 1996-10-16 | 2000-03-07 | Firma Drebo Werkseug-Fabrik Gmbh | Bit adaptor |
US5979913A (en) * | 1998-05-19 | 1999-11-09 | Kosik; Thomas | Universal driving and setting tool and method of using same |
US20010029634A1 (en) * | 1999-05-03 | 2001-10-18 | Andre Lamarre | Tool for setting drop-in anchors |
Also Published As
Publication number | Publication date |
---|---|
CA2607261A1 (en) | 2006-11-09 |
WO2006118582A3 (en) | 2007-04-19 |
WO2006118582A2 (en) | 2006-11-09 |
AU2005331320A1 (en) | 2006-11-09 |
EP1877228A4 (en) | 2008-11-26 |
EP1877228A2 (en) | 2008-01-16 |
US7124459B1 (en) | 2006-10-24 |
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AS | Assignment |
Owner name: CROISDALE, CHRIS MR. (1/2 INTEREST), CALIFORNIA Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:MCKEE, ROBERT W.;REEL/FRAME:017412/0354 Effective date: 20060310 Owner name: HORVATH, JENO, CALIFORNIA Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:MCKEE, ROBERT W.;REEL/FRAME:017412/0354 Effective date: 20060310 |
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LAPS | Lapse for failure to pay maintenance fees | ||
STCH | Information on status: patent discontinuation |
Free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362 |
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FP | Lapsed due to failure to pay maintenance fee |
Effective date: 20101024 |