Cylinder head gasket, particularly for internal combustion engine, and method for manufacturing same
CA 2118944 A1 · Owner: Jeanne, Olivier · Inventors: Ulmer, Georges; Jeanne, Olivier; Montresor, Daniel
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A cylinder head gasket, particularly for internal combustion engines consisting of a core (8) comprising at least one metal sheet (10) combined with a covering (24) made of an elastomeric material (25) and further having holes (13) which register with the engine cylinders the adjacent cooling and lubricating fluid circuits and the fastening studs. Said gasket is characterized in that it includes resilient bearing faces (28) arranged over at least part of its surface. A related manufacturing method is also provided.
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
- Filed September 14, 1992. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 14, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 14, 2014.
- 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.