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Expired Canadian patentCanada

Opener for tab-top container

CA 1303865 C · Owner: Jarvis, Darcey L. Sr. · Inventors: Jarvis, Darcey L. Sr.

CIPO record

Overview

Drawings and full text

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

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Abstract From the Canadian patent

An opener for a tab-top container has a base adapted to be mounted to a supporting surface. Opposing camming surfaces convergently extend from the base to a juncture. An initiating edge formed at the juncture is sued to be positioned under the edge of a tab so that when the container is pushed generally toward the base the tab is, cammed away from the end wall causing the closure to responsively open. A method suggested by use of the tab opener Is disclosed. ewp/2889.001/IjgV

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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 23, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 23, 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.
FiledOctober 4, 1988
GrantedJune 23, 1992
Term endedJune 23, 2009
Patent numberCA 1303865 C
Classification (IPC)B67B7/02 +2 more

Timeline

Timeline From CIPO dates

1989199219951998200120042007Application filedOct 4, 1988Patent grantedJune 23, 1992Term endedJune 23, 2009

Sources & verification

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