Winch device
CA 1319674 C · Owner: Massey, Navarre A. · Inventors: Massey, Navarre A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Conventional mechanical winches tend to be somewhat complicated and expensive to produce. A relatively simple. inexpensive winch device includes casing means; spool means mounted for rotation in said casing means; cable or strap means on said spool means for connection to the article; and slack adjuster means mounted on said casing means and connected to said spool means for rotating the latter whereby, the cable means can be wound onto or off of said spool means to raise tension or lower on article.
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 29, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 29, 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.