Amphibious air cushion vehicle with drum rollers
CA 1051954 A · Owner: House, William C. · Inventors: House, William C.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Amphibious air cushion vehicles equipped with drum rollers. The vehicles may be tractors or trailers. Either the air cushion or the drum rollers may support the vehicle entirely or the load may be shared by the two systems. A single or multiple power plant may be provided. The drums may be adjustably positioned for use and non-use as may the air cushion. The drums have multiple flexible air compartments are highly deformable in use, and have external tractive means functioning on land as well as in water.
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
- Granted April 3, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 3, 1996.
- 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.