Conveyor system for load-carrying carts
CA 2331556 A1 · Owner: Pelczmann, David · Inventors: Pelczmann, David; Reiners, Herbert
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A cart conveyor system for the transport of load-carrying carts as frequently , used in airports, supermarkets etc. up and down inclined pathways. The cart is provided with front and back wheels with different spacing and the , conveyor has separate tracks for the front and back wheels arranged to , support the wheels in a manner that maintains the cart in a generally horizontal orientation as it moves up or down the conveyor path. The cart is engaged adjacent one end by laterally opposed conveyor elements which advance , the cart along the incline. At the other end of the cart a retaining element , extends downward and is engaged by a retaining track to prevent tipping of the cart as …
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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
- Filed May 11, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 11, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 11, 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.