Expired Canadian patentCanada
Food warming appliance with supporting rack structures and methods of warming food
CA 996170 A · Owner: Frey, Irwin K. · Inventors: Frey, Irwin K.; Zola, Charles L.
Overview
Drawings and full text
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordRead the whole patent
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 31, 1976. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 31, 1993.
- 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—
GrantedAugust 31, 1976
Term endedAugust 31, 1993
Patent numberCA 996170 A
Classification (IPC)A47J39/00 +2 more
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.