Automatic wheel tire chain
CA 1069808 A · Owner: Oneschuk, George G. · Inventors: Oneschuk, George G.; Haag, Henry S.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Patent Application for the Development of an, Automatic Wheel Tire Chain, I. ABSTRACT This patent application pertains to the development of an automatic wheel tire chain. Automatic, in a sense that the chains can be engaged and retrieved by merely activating a switch or lever while the vehicle is in motion. In this invention enclosed spools containing wheel chains are secured to the rear axle casing and remain in position at all times. The device has a rotating wheel clutch assembly its prime, purpose being to spin the chain loops on to the tire by centrifugal force and a stationary clutch assembly its prime, purpose being to retrieve the chain from the tire and rewind them on the spool.
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 January 15, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 15, 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.