Expansible carrying case
CA 1096820 A · Owner: York Luggage Corporation · Inventors: Popkin, Jerome L.; Litwitz, Edward F.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Expansible carrying case in which parallel side walls of the case may move apart by virtue of a simple gusset extending continuously along walls of the case that are transverse to the parallel side walls. Expansion of the gusset is limited by rows of stitching along each of the gusset folds. The gusset contracts automatically when the expanding pressure is relieved and remains contracted without requiring auxiliary fasteners.
Read the whole patent
Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted March 3, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 3, 1998.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.