Composite internal combustion engine housing
CA 2053182 A1 · Owner: Ford Motor Company Of Canada Limited · Inventors: Onofrio, David A.; Hallandal, William C.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
15-, Abstract of the Invention, A cylinder block for an internal combustion engine, comprising: (a) a siamesed cylinder sleeve unit (steel or metal matrix composite) having an annular tongue flange spaced above but adjacent the bottom of the unit; and (b) a plastic jacket (phenolic vinyl ester, or, epoxy) spaced from but surrounding the sleeve unit and having the tongue flange molded integrally with the jacket, the sleeve unit and jacket being adapted for closure by a head having a wall to mate with the planar top of the sleeve and jacket; and (c) sealant deposited at interfacing surfaces of the sleeve unit and jacket which are integrally molded, the sleeve being constituted of 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
- Filed October 10, 1991. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 10, 2011.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 10, 2013.
- 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.