Anti-skid chain
CA 1137399 A · Owner: Dominion Chain Inc. · Inventors: Baldry, John F.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An anti-skid tire chain comprising a pair of parallel side chains, a series of traction rings extending medially between the side chains, and a network of connector chains interconnecting the traction rings with the side chains and with one another is characterized in that the connector chains are interconnected in threes by triradial connector plates. Each triradial connector plate consists of three plate elements welded together each plate element providing a pair of opposite end portions subtending an angle of 120° to one another and an arcuate mid-portion defining a convex cylindrical surface the, plate elements being mutually welded together at the convex surfaces thereby defining a …
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 December 14, 1982. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 14, 1999.
- 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.