Motor vehicle
CA 2060157 A1 · Owner: Namco Limited · Inventors: Ishikawa, Hirotomo
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A motor vehicle adapted to be driven by its own power source and steered by an operator, having a chassis equipped with an operator seat, front wheel and a pair of rear wheels mounted respectively on a lower surface of the chassis a, motor for driving the front wheel, and a caster provided between the chassis and each of the rear wheels. The caster supports the rear wheels turnably around an axis extending in a direction intersecting a shaft of the rear wheels. Instead of using the caster, A sphere member being rotatable with respect to the chassis can be used as the rear wheel.
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 January 28, 1992. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended January 28, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 28, 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.