Patent Yard Sign in
Expired Canadian patentCanada

Packaging

CA 1295290 C · Owner: Seawell Corporation N.V. · Inventors: Garwood, Anthony James Murray

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 plastics material packaging for meat or other goods is disclosed. The packaging has a base and a skin wrapping material for said meat or other goods. A desired gas to enhance the keeping qualities of the meat or other goods is provided in a free space above the skin and below the lid. The gas can pass through the skin to contact the surface of the meat or other goods. The skin is bonded to the base so that the meat or other goods are compressed between the skin and the base. The arrangement is such that the skin will be substantially continuously under tension forces. This maintains a desirable skin packaging of the meat or other goods over extended periods of time. A method and apparatus …

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 February 4, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 4, 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.
FiledSeptember 2, 1987
GrantedFebruary 4, 1992
Term endedFebruary 4, 2009
Patent numberCA 1295290 C
Classification (IPC)B65D81/18 +2 more

Timeline

Timeline From CIPO dates

19881991199419972000200320062009Application filedSep 2, 1987Patent grantedFeb 4, 1992Term endedFeb 4, 2009

Sources & verification

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