Hinge joint
CA 1288558 C · Owner: Welsch, Franz-Peter · Inventors: Welsch, Franz-Peter; Bick, Friedhelm; Otto, Fritz
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A hinge joint, particularly for a closure element such as a door, lid and the like for an opening in a container vehicle, holding tank and the like, comprises a hinge leaf which is securable to a closure element and has a knuckle bearing, a hinge bolt, defining a hinge joint axis pivotally mounting the closure element via the knuckle bearing, a hinge bearing having a base securable adjacent to an edge of an opening, the hinge bearing having legs between which the knuckle bearing is positioned and which carries the hinge bolt, the knuckle bearing having at least one first protrusion extending axially outwardly and arranged concentrically relative to the hinge bolt at, least one of the legs …
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
- Granted September 10, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 10, 2008.
- 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.