Portable heater with integrated control system
CA 1212592 A · Owner: Koehring Company · Inventors: Kagan, Michael A.; Shaftner, Robert F.; Chambers, Norman D.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
PORTABLE HEATER WITH INTEGRATED CONTROL SYSTEM ABSTRACT OF THE DISCLOSURE:, A heater including a generally cylindrical shell defining its housing arranged in a very closely spaced relation to the outer periphery of its combustion chamber assembly and its fan device as it bounds a plenum chamber therebetween. The combustion chamber assembly has its discharge end adjacent the discharge end of the shell. The relative configuration of the outer peripheral surface of the combustion chamber assembly and that of the discharge end portion of the shell creates therebetween a passage through which the fan device on en-, ergization thereof, produces a very high velocity flow of a thin layer of air …
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 14, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 14, 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.
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.