Marine propulsion device with closed deck cylinder block construction
CA 2037339 A1 · Owner: Broughton, George L. · Inventors: Breckenfeld, Paul W.; Broughton, George L.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Disclosed herein is an engine comprising a closed deck cylinder block including a cylinder bore having an outer end a, counter bore at the outer end of the cylinder bore and an, outer wall including an outer cylinder head mounting surface extending from the counter bore, a coolant jacket located in spaced surrounding relation to the cylinder bore and being defined in part by the outer wall, and a passage located in the outer wall and communicating between the cylinder head mounting surface and the coolant jacket, a cylinder liner received in the cylinder bore and defining, with the counter bore a, U shaped annular groove in the cylinder head mounting surface a cylinder head including a …
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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 February 28, 1991. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 28, 2011.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 28, 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.