Brake auxiliary device
CA 2412044 A1 · Owner: Su, Chiang-Shui · Inventors: Su, Chiang-Shui
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A brake auxiliary device is proposed, including a resilient mechanism having an upper support member mounted on a bottom surface of a vehicle and a lower, support member properly spaced apart from the upper support member at a position, above a wheel shaft of the vehicle: a transmission mechanism positioned between the, upper and lower support members of the resilient mechanism and rotatably , abutting, against the lower support member; and a drive mechanism coupled to the transmission mechanism, for outputting power to operationally drive the transmission, mechanism. The transmission mechanism is adapted to operate to induce displacement of the lower support member with respect to the …
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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 November 19, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 19, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 19, 2024.
- 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.