Packaged strain actuator
CA 2363949 A1 · Owner: Russo, Farla · Inventors: Russo, Farla; Fitch, Eric; Yoshikawa, Shoko
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A modular actuator assembly includes one or more plates or elements of electroactive material bonded to an electroded sheet preferably by a structural , polymer to form a card. The card is sealed and may itself constitute a , practical device such as a vane, shaker, stirrer, lever pusher or sonicator , for direct contact with a solid or immersion in a fluid or may be bonded by a , stiff adhesive to make a surface-to-surface mechanical coupling with a solid workpiece, device, substrate machine or sample. The structural polymer provides a bending stiffness such that the thin plate does not deform to its breading point, and a mechanical stiffness such that shear forces are efficiently …
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 February 25, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 25, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 25, 2022.
- 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.