Winch
CA 1056806 A · Owner: C.H. Anderson And Associates Ltd. · Inventors: Anderson, Clay H.; St. Jean, Gerard
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A winch mounted directly on the gear of a worm gear drive unit and cantilevered outwardly therefrom through an opening in a housing in which the gear is journalled for rotation by a hub having a pair of spaced apart circular bearing lands journalled in apertures a pair of spaced apart walls in the housing. The worm is journalled for rotation in the housing and meshes with the gear in drive relation. The worm is driven by a motor mounted on the housing.
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 June 19, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 19, 1996.
- 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.