Heat transfer device for use in cooking pizzas
CA 1256709 A · Owner: Pizza Hut, Inc. · Inventors: Beltz, John D.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention is heat transfer device to aid in the cooking of pizzas, particularly thick or double crust pizzas, as well as a method for cooking an assembled pizza with such a device. The device comprises a heat conducting means, preferably made in one piece which in turn comprises a heat absorbing band portion with heat transferring pins extending therefrom. In the preferred embodiment, the heat conducting means is formed in a spiral with the heat transferring pins extending in a direction perpendicular to the spiral. In another embodiment, the heat conducting means is formed in at least two concentric circles with the heat transferring pins extending in a direction perpendicular to the …
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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 4, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 4, 2006.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.