Hinge
CA 2079232 A1 · Owner: Esman, Igor Ivanovich · Inventors: Gleb, Anatoly Konstantinovich; Esman, Igor Ivanovich
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A hinge (1) for hinged elements (2 and 3) has a hinged mechanism including a pair of connecting elements (4 5) intended for their, fastening to the corresponding hinged elements (2 and 3) and interconnected by levers (6 and 7). The levers (6 and 7) are mounted with the possibility of mutual displacement in parallel planes on rotation axes (8, 9' and 8', 9) mounted on the connecting elements (4, 5). The levers (6, 7) have the same length between their rotation axes (8, 9' and 8', 9), and the locus of points which, during the mutual rotation of the connecting elements (4 and 5) is obtained by the intersection of the longitudinal axes (F1F2 and F3F4) of the levers (6 and 7) on a plane …
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 27, 1991. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 27, 2011.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 27, 2013.
- 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.