Vehicle chassis
CA 2388804 A1 · Owner: Kuhns, Abe B. · Inventors: Kuhns, Abe B.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An expandable hay bale carrier and feeder and flexible vehicle for feeding livestock include a wheeled chassis with a bed thereon for supporting the bales a, pair of spaced end walls and a pair of spaced side walls. The side walls are mounted by a telescopically slidable assembly to move transversely of the bed between a first maximum width position spaced from the end walls and a second minimum width position adjacent the end walls. As the livestock feed and reach for more hay the force which they exert against the side walls automatically moves the side walls toward the minimum width position as the hay is consumed, and the respective ends of the side walls may move independently of each …
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 May 8, 1992. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 8, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 8, 2014.
- 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.