Front jaw
CA 2077904 A1 · Owner: Wurthner, Hubert · Inventors: Janisch, Andreas; Wurthner, Hubert; Wladar, Helmut
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a front jaw (1) with a housing (2), in which is housed a release spring (40). The release spring (40) loads a pull rod (10) extending through the release spring, which pull rod acts onto the shorter lever arms (36) of two toggle levers (35) through a release plate (13), which toggle levers are pivotal about vertical axes (34) on a bearing part (20) and the longer lever arms of which toggle levers are designed as sole holders (37). The bearing part (20) has a through opening (21) for the pull rod (10) and has a frontwardly facing bearing surface (23) resting at least partially on a rear crosswall (3) of the housing (2). The rear crosswall (3) of the housing (2) has a …
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 March 25, 1992. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 25, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 25, 2014.
- 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.