Marine drive with air trap in auxiliary water inlet
CA 1288006 C · Owner: Karls, Michael A. · Inventors: Dutcher, James C.; Karls, Michael A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A marine propulsion unit has a depending gearcase with one or more water inlet openings in the sides of the gearcase for supplying water to a water pump , and an auxiliary water inlet opening at an anti-ventilation plate above the propeller for supplying additional water to the water pump . The water passage from the auxiliary water inlet opening to the water pump has a portion extending downwardly below the level of the auxiliary water inlet opening and communicating with the side water inlet openings . When the side water inlet openings are below the water line and the auxiliary water inlet is above the water line, water is received in the downwardly extending portion of the second …
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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
- Granted August 27, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 27, 2008.
- 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.