Winch arrangement
CA 1069491 A · Owner: Blixt, Bo A. L. · Inventors: Johansson, Bengt D.; Blixt, Bo A. L.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure, Winch arrangement primarily intended for withdrawal of hung trees or other objects, comprising a holding unit for fixing the winch to a stationary object and a winch unit, connected to a frame. The holding unit includes an elongated fastening means which at one end is secured to the frame while, its intermediate portion is drawn around the stationary object and its other end is connected to the frame via a tightening mechanism. The winch unit comprises a drum rotatably mounted on a shaft in the frame for unwinding and winding a flat band which at its free end has a fastener for connection to the tree a control mechanism for the operation of the drum and an, …
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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 January 8, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 8, 1997.
- 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.