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Expired Canadian patentCanada

Cooking pan

CA 1069324 A · Owner: K. K. Toshingiken Company Limited · Inventors: Shimizu, Yasuhiro

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

A cooking utensil having at least one pan of porous material comprising a base portion having a porous cooking surface and a peripheral wall portion connected to or integral with the base portion, the base portion having cavities substantially throughout it which are adapted to be filled with oil. to produce a film of oil on the cooking surface to prevent food which is being cooked sticking thereto. Food cooked in this pan does not stick to its surface and does have an improved texture.

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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 January 8, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 8, 1997.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Filed—
GrantedJanuary 8, 1980
Term endedJanuary 8, 1997
Patent numberCA 1069324 A
Classification (IPC)A47J37/10 +2 more

Timeline

Timeline From CIPO dates

198119831985198719891991199319951997Patent grantedJan 8, 1980Term endedJan 8, 1997

Sources & verification

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