Twin disc multi-piece wheel
CA 2287729 A1 · Owner: Brodbeck, Kenneth N. · Inventors: Brodbeck, Kenneth N.; Deckert, Robert W.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A multi-disc wheel for a tractor having an axle and a hub mounted on the axle includes a rim having an inner surface. A stub disc having a centrally-disposed access opening is connected to the inner surface of the rim. An, anchor disc is also connected to the inner surface of the rim in a spaced apart, disposition from the stub disc. The anchor disc and the stub disc are each configured to be connected to an appropriate hub that is in turn, connected , to, the axle of the tractor. The connection between the stub disc and the axle hub is achieved by a removable attachment disc that is bolted to both the hub and the stub disc. A provision of the pair of discs between the rim and the axle …
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 October 28, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 28, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 28, 2021.
- 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.