Shape memory alloy rearview mirror
CA 2346260 A1 · Owner: Boddy, Ian · Inventors: Ruse, James A.; Foote, Keith D.; Boddy, Ian
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A rearview mirror assembly having a pivot structure (16) and first (44 46) , and second (48, 50) pairs of helical structures consisting of shape memory allow wires which serve to adjust the positin of the mirror. The wires may be individually heated by conducting an electrical current to effect the contracted memory position. When the current is switched off a wire cools and , can easily be stretched to mechanically transform the wire to a martensitic phase.
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 October 22, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 22, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 22, 2021.
- 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.