Dump apparatus
CA 2030267 A1 · Owner: Trowland, Mark Gregory · Inventors: Keith, Alan Leslie; Trowland, Mark Gregory
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A removable dump apparatus for a vehicle the apparatus including a, dump box, as base and an inflatable bag a pivotal coupling between the base and the dump box to constrain movement of the dump box to an arc the inflatable bag, being located between the base and the dump box and being in load transmitting engagement with the base and the dump box the bag having a side wall and opposed end walls and when inflated assumes an elongate tapered shape.
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 19, 1990. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 19, 2010.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 19, 2012.
- 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.