Traction devices for automotive wheels
CA 1255346 A · Owner: Ziccardi, Philip · Inventors: Ziccardi, Philip; Ziccardi, John
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A wheel attachment to provide extra needed traction by a motor drawn vehicle when traveling on roadways covered with snow, ice or mud. It comprises a plurality of circularly spaced, flexible traction members overhanging the tread of a pair of wheels and control means operable from the driving position of the vehicle to selectively couple or uncouple the attachment relative to the wheels. The control means may comprise a driver's switch for operating an electromagnetically operated pin on the traction device cooperable with a hole in a disc rotatably mounted on a spindle at each wheel to selectively couple the device operatively to the hub at the respective wheel. Other alternative means are …
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 6, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 6, 2006.
- 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.