The present invention provides a bag comprising two generally parallel sheets (16, 18) forming the main walls of the bag, complementary closure strips (20, 22) fixed to respective ones of the sheets, and a cursor (50) for actuating the strips (20, 22) for closing and opening purposes, the bag being characterized...http://www.google.es/patents/US20020034342?utm_source=gb-gplus-sharePatente US20020034342 - Bag having cursor-actuated complementary closure strips
Bag having cursor-actuated complementary closure strips
Número de solicitud: 09/949,081 Número de publicación: US 2002/0034342 A1 Fecha de presentación: 10 Sep 2001 Patente emitida: US7140772 ( Fecha de emisión 28 Nov 2006)