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Expired Canadian patentCanada

Controlling the texture of microwave brownies

CA 1332032 C · Owner: The Pillsbury Company · Inventors: Atwell, William Alan; Hahn, Patricia Wong; Yasosky, John Joseph

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

The texture of high sugar relatively low, moisture, flour based products baked in a microwave oven can be controlled by regulating the steam retention capabilities of the batter. The steam retention capabilities of the batter can be affected by the use of an emulsifier in the batter.

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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 September 20, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 20, 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.
FiledNovember 10, 1988
GrantedSeptember 20, 1994
Term endedSeptember 20, 2011
Patent numberCA 1332032 C
Classification (IPC)A21D13/08 +2 more

Timeline

Timeline From CIPO dates

19891992199519982001200420072010Application filedNov 10, 1988Patent grantedSep 20, 1994Term endedSep 20, 2011

Sources & verification

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