Casement window hinge
CA 1297733 C · Owner: Schema, Anthony C. · Inventors: Tacheny, John C.; Schema, Anthony C.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Case No. 79, ABSTRACT, A hinge for a casement window having components releasably held in positions related to each other to provide for movement of a window-supporting sash arm between closed and egress positions. The structure includes a support arm pivotally connected between a track of the hinge and the sash arm. The pivot mounting of the support arm to the track, or the effective length of the support arm can be varied to enable movement of the window sash from an egress position to a washability position.
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 March 24, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 24, 2009.
- 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.