Reserve automobile heating system
CA 1323011 C · Owner: General Motors Corporation · Inventors: Kiskis, James M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention relates to a heating system for the passenger compartment of a motor vehicle which uses the laden heat of the vehicle engine to heat the passenger compartment when the engine is not running. The invention includes a heat exchanger fluidly connected into the engine cooling system, a fan designed to blow air through the heat exchanger and a circulation pump which may be operated responsive to manual or automatic control to circulate coolant through the heat exchanger whereby the fan may blow air through the heat exchanger and thence into the passenger compartment to heat the passenger compartment.
Read 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 October 12, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 12, 2010.
- 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.