Baseboard-type finned-tube space heater
CA 1292497 C · Owner: Horst, Paul V. · Inventors: Horst, Paul V.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
BASEBOARD-TYPE FINNED-TUBE SPACE HEATER" ABSTRACT OF THE DISCLOSURE, This invention relates to a baseboard-type space heater characteized by a boiler connected to deliver a vaporized high-boiling-point working fluid consisting of a mixture of ethylene glycol and water to an upwardly inclined finned-tube heat exchanger at a pressure of between approximately -5 p.s.i. and 15 p.s.i. and at a temperature of between approximately 190° F. and 250° F. where the internal volume of the heat exchanger in relation to the total system volume does not exceed approximately 15% and the electrical energy supplied to the working fluid heater increases from a minimum level of approximately 300 watts for a …
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 November 26, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 26, 2008.
- 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.