Cooler assembly and method of making same
CA 1181801 A · Owner: Energy Research Corporation · Inventors: Chi, Chang V.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A practice for gas cooler assembly fabrication wherein a first plate comprised of carbonizable material is provided in first regions with a conductive first material and in second bordering regions with an adhesive material and the first plate and a second plate comprised of carbonizable material are brought into adjacent relationship and carbonized by heating to thereby form the completed assembly.
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 January 29, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 29, 2002.
- 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.