Universal mounting plate for door opener
CA 2135323 A1 · Owner: Carambula, David E. · Inventors: Carambula, David E.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A universally-adaptable mounting plate for mounting an electrically-operated door opener on a door frame. The mounting plate is substantially rectangular having a plan, portion with longitudinally-directed side edges and transversely-directed end edges. A tab is struck from the plan portion at one end of the mounting plate and is positioned substantially perpendicular to the plan portion and substantially equidistant from and substantially parallel with respect to the side edges. The plan portion is provided with both longitudinally-elongated and transversely-elongated apertures for mounting the door opener thereon, and the tab is provided with an aperture for receiving conventional …
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 November 8, 1994. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 8, 2014.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 8, 2016.
- 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.