Patent Yard Sign in
Expired Canadian patentCanada

Block-sealed side-gussetted bags

CA 1302967 C · Owner: Jensen, Harold A. · Inventors: Jensen, Harold A.

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

Open the CIPO record

Abstract From the Canadian patent

A block of side-gussetted bottom-weld bags. Each bag, has an opening on one side to facilitate the removal of individual bags from the block. 12-039

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 June 9, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 9, 2009.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledAugust 28, 1986
GrantedJune 9, 1992
Term endedJune 9, 2009
Patent numberCA 1302967 C
Classification (IPC)B65D30/10

Timeline

Timeline From CIPO dates

19871990199319961999200220052008Application filedAug 28, 1986Patent grantedJune 9, 1992Term endedJune 9, 2009

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.