Expired Canadian patentCanada
Vacuum compression molding method using preheated charge
CA 1267763 C · Owner: Budd Company (The) · Inventors: Wilkinson, Robert E.; Iseler, Kenneth A.
Overview
Drawings and full text
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Sheet molded compound (SMC) charges are preheated before being molded into exterior automotive body panels using compression molding techniques under vacuum.
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 April 17, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 17, 2007.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledFebruary 12, 1987
GrantedApril 17, 1990
Term endedApril 17, 2007
Patent numberCA 1267763 C
Classification (IPC)B29C43/56 +2 more
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.