Portable log skidder
CA 1207748 A · Owner: David, Emil J. · Inventors: David, Emil J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A hand maneuverable, portable power-driven winch, for use in skidding trees which includes a base plate for resting flatwise on the ground and turned upwardly at the leading end thereof to facilitate passing over obstacles normally encountered in moving the apparatus forwardly through a tree-growing area. There is a wheel projecting downwardly from the leading turned-up end of the base plate for rolling on the ground when the trailing end of the plate is lifted off the ground. A pair of vertical plates are secured to said base plate and project upwardly therefrom, such plates being spaced apart from one another laterally of the base plate and providing effectively a channel therebetween …
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 15, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 15, 2003.
- 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.