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Expired Canadian patentCanada

Outdoor gas cooking appliance

CA 1306180 C · Owner: Lincoln Brass Works, Inc. · Inventors: Ferlin, William J.

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

There is disclosed a semiautomatic timed shut off valve assembly adapted for use in a gas grill including a normally closed supply valve for supplying gas to one or more manual flow control valves, a manual valve opening member for actuating said supply valve to an opened position, and a timer for causing said supply valve to remain in an open position for a variable preset time. Also disclosed is an arrangement for manually overriding the timer to permit the supply valve to remain open for an indefinite time period.

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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 August 11, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 11, 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.
FiledJuly 9, 1987
GrantedAugust 11, 1992
Term endedAugust 11, 2009
Patent numberCA 1306180 C
Classification (IPC)F16K31/48

Timeline

Timeline From CIPO dates

19881991199419972000200320062009Application filedJuly 9, 1987Patent grantedAug 11, 1992Term endedAug 11, 2009

Sources & verification

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