Patent Yard Sign in
Expired Canadian patentCanada

Dispensing nozzle for plastic bags

CA 1313167 C · Owner: Wilfong, Harry B. Jr. · Inventors: Wilfong, Harry B. Jr.; Haenni, Edwin W.

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

10--, Abstract of the Disclosure, A dispensing nozzle for serially dispensing flexible plastic bags is disclosed, and which includes a generally circular plate and a depending tubular mounting sleeve. Two elongate zigzag slots of differing size extend through the plate, and a thread-up opening is positioned at each end of each slot. Each thread-up opening is of a size to permit the free end of the leading bag of a package of bags to be manually threaded therethrough and such that the bag may then be moved into the slot. The differing sizes of the two slots permits bags of differing size to be efficiently received in respective ones of the slots. When the bag is pulled upwardly from its …

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 January 26, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 26, 2010.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJuly 24, 1989
GrantedJanuary 26, 1993
Term endedJanuary 26, 2010
Patent numberCA 1313167 C
Classification (IPC)B26F3/02 +2 more

Timeline

Timeline From CIPO dates

1990199319961999200220052008Application filedJuly 24, 1989Patent grantedJan 26, 1993Term endedJan 26, 2010

Sources & verification

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