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Expired Canadian patentCanada

Pizza crust, pizza prepared from the same and method of baking a pizza using micro-wave energy

CA 1058441 A · Owner: National Convenience Stores · Inventors: Stangroom, Max

CIPO record

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Abstract From the Canadian patent

A pizza capable of being baked using micro-wave energy, i.e. in a micro-wave oven, while remaining crisp is prepared from a dough comprising: (i) from about 75 percent to about 82 percent by weight flour preferably, a medium to weak strength bleached low gluten flour:, (ii) up to about 5 percent by weight shortening animal, or vegetable shortening; and (iii) from about 18 percent to about 25 percent by weight moisture. In preparing the pizza, a dough of the above composition is shaped into the shape of a pizza crust and thereafter dried in a convection or micro-wave oven to a moisture content of from about 3 percent to about 8 percent by weight. After the addition of pizza toppings, i.e. …

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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 July 17, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 17, 1996.
  • 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—
GrantedJuly 17, 1979
Term endedJuly 17, 1996
Patent numberCA 1058441 A
Classification (IPC)A21D6/00 +2 more

Timeline

Timeline From CIPO dates

198019821984198619881990199219941996Patent grantedJuly 17, 1979Term endedJuly 17, 1996

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