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Expired Canadian patentCanada

Method and apparatus for providing heating or cooling for a vehicle

CA 1214653 A · Owner: Timpte Industries, Inc. · Inventors: Bartling, Jerry W.; Hofstetter, James F.

CIPO record

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

In one embodiment of the invention conditioning, means for providing air at a desired temperature are located adjacent to the front end of a vehicle. The conditioning means have an inlet adjacent the top of the vehicle and an outlet adjacent the bottom. Conditioned air flows from the outlet through an imperforate passageway along the bottom of the vehicle to the rear end of the vehicle where the conditioned air moves vertically through a passageway in the rear door and is discharged adjacent the top of the vehicle. The discharged conditioned air flows in normal convection paths back to the inlet of said conditioning means. In another embodiment the, conditioning means are located adjacent …

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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 December 2, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 2, 2003.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJanuary 14, 1985
GrantedDecember 2, 1986
Term endedDecember 2, 2003
Patent numberCA 1214653 A
Classification (IPC)B60P3/20 +2 more

Timeline

Timeline From CIPO dates

198619881990199219941996199820002002Application filedJan 14, 1985Patent grantedDec 2, 1986Term endedDec 2, 2003

Sources & verification

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