Vehicle door check mechanism
CA 2025548 A1 · Owner: Dunbar, Paul J. · Inventors: Dunbar, Paul J.; Gignac, Robert J.; Cogo, Ronald J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure A door check mechanism for regulating pivotal movement of a vehicle door between a closed position and one or more open positions, which mechanism is sometimes incorporated in a hinge, includes an elongated track member having a track surface with at Least one detent receptacle in that track surface; a detent roller engages the track surface in rolling pressure contact at least part of the time whenever the door moves between its open and closed positions. A second detent member may engage a second track surface on the track member; the second detent member may also be a roller. Either the detent roller or the track has a resilient elastomer core, preferably an …
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 September 17, 1990. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 17, 2010.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 17, 2012.
- 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.