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Expired Canadian patentCanada

Resealable container lid

CA 1185561 A · Owner: Cryovac, Inc. · Inventors: Bullock, Lance W.

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

Be it known that I, LANCE WILLIAM BULLOCK a, citizen of the Commonwealth of Australia residing, at Lot 1, Jumping Creek Road Wonga Park, in the, State of Victoria, Commonwealth of Australia have, invented certain new and useful improvements in and relating to a "CONTAINER LID" of which the following is a specification. ABSTRACT OF THE DISCLOSURE A lid for a container having an opening therein defined by a container wall portion and surrounded by a flange extending outwardly from the opening. The lid comprises a generally planar central portion, a channel shaped rib surrounding the central portion and adapted in use to be received within the opening and engage the container wall portion …

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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 April 16, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 16, 2002.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledDecember 2, 1982
GrantedApril 16, 1985
Term endedApril 16, 2002
Patent numberCA 1185561 A
Classification (IPC)B65D39/04 +1 more

Timeline

Timeline From CIPO dates

1983198519871989199119931995199719992001Application filedDec 2, 1982Patent grantedApril 16, 1985Term endedApril 16, 2002

Sources & verification

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