Trailer anti-jackknifing apparatus
CA 1087217 A · Owner: Dirks, Arthur A. · Inventors: Dirks, Arthur A.; Meyers, William G.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Anti-jackknifing apparatus for combination with conventional tractor-drawn trailers wherein the tractor includes a forward operator's cab and a rearward fifth wheel assembly having a skidplate. The skid-plate conventionally includes a pair of longitudinally rearwardly extending guide-lugs having outward-sides and also inward-sides horizontally angularly converging toward an upright kingpin or other pivotal association with the trailer. The anti-jackknifing apparatus comprises a generally horizontal longitudinally extending ram terminating as a forward head-end which ram and head-, end has an inactive normal-station and also an anti-jackknifing extended-station respectively located …
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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 October 7, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 7, 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.