Marine drive lower gearcase with non-cavitating drain plug location
CA 1320666 C · Owner: Meisenburg, Gary L. · Inventors: Meisenburg, Gary L.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A marine drive having a lower gearcase with a torpedo housing having an internal lubricant-containing cavity has a removable drain plug and drain plug hole at a location away from the exterior hydrodynamic surface of the torpedo housing along which water flows to prevent, cavitation burns on the torpedo housing and the propeller , and to aid in eliminating propeller ventilation.
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 July 27, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 27, 2010.
- 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.