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Expired Canadian patentCanada

Hot water pan for a chafer

CA 1331289 C · Owner: The Vollrath Company, L.L.C. · Inventors: Stern, Christopher; Roberts, Melvin F.

CIPO record

Overview

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

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Abstract From the Canadian patent

A hot water pan for warming food in the food pan of a chafing dish. The hot water pan includes a central well for holding a volume of heated water and maintaining a warm food pan temperature. The hot water pan further includes a lip formation creating a water barrier with the edge of the food pan so that condensing water droplets do not now from the hot water pan but are directed to return to the well. - 15 -

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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 9, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 9, 2011.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledAugust 14, 1989
GrantedAugust 9, 1994
Term endedAugust 9, 2011
Patent numberCA 1331289 C
Classification (IPC)A47J27/06

Timeline

Timeline From CIPO dates

19901993199619992002200520082011Application filedAug 14, 1989Patent grantedAug 9, 1994Term endedAug 9, 2011

Sources & verification

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