Tag axle with rearwardly extending support framework
CA 2129434 A1 · Owner: Prime Technologies, Inc. · Inventors: Youmans, Gordon D.; Youmans, Audrey L.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A compact tag axle assembly (10) which may be retrofitted to an existing vehicle such as a tilting bed carrier (12) to allow the vehicle to comply with axle load regulations when operated over public roadways. The assembly (10) mounts behind the vehicle's rear axle such that the auxiliary wheels (16) are in close proximity to the rear vehicle wheels (18), with the support framework (24) of the auxiliary wheels (16) entirely behind the mounting location of these wheels. The assembly (10) consists of two interconnected auxiliary wheels (16) independently supsended by a transversely extending torsion axle (32) and connected to the vehicle through a centrally located pair of common mounting …
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
- Filed November 22, 1993. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 22, 2013.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 22, 2015.
- 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.