Expired Canadian patentCanada
Apparatus for utilizing cooling air for an internal combustion engine of a vehicle for heating a passenger compartment of the vehicle
CA 906463 A · Owner: Honda Giken Kogyo Kabushiki Kaisha (Also Trading As Honda Motor Co. Ltd .) · Inventors: Soichiro Honda
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 1, 1972. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 1, 1989.
- 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 1, 1972
Term endedAugust 1, 1989
Patent numberCA 906463 A
Classification (IPC)B60H1/02 +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.