Amphibious vehicle having an inflatable pontoon
CA 2354229 A1 · Owner: Trolley Boat Llc · Inventors: Redman, Donald R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An amphibious vehicle having inflatable pontoons disposed in recesses formed in the vehicle body. The inflatable pontoons retract into the recesses when, deflated to reduce the overall width of the vehicle to below the maximum allowable, width for a road vehicle. The inflatable pontoons extend when inflated to beyond the, maximum allowable width for road vehicles thereby improving the stability of , the vehicle when it is operated in water. The inside surfaces of the recesses provide, support for transferring the uplift force generated by the pontoons to the vehicle body, when in water. An elastic member may be used to retract the deflated pontoons into, the recess. Decorative doors …
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 July 27, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 27, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 27, 2023.
- 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.