Door lock structure
CA 1296033 C · Owner: Schwalb, Horst · Inventors: Schwalb, Horst
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 lock structure for securement in a longitudinal cavity disposed in a door vertical free edge portion or folding door edge post or the like. The door lock structure comprises an elongated locking rod supportingly guided in the longitudinal cavity. Each rod has a locking free end extendible above an open end of the bore above a horizontal edge of the door. The rod is normally biased in a retracted position in the cavity, with the rod locking free end disposed inwardly of the horizontal door edge. An external rod displacement element is secured to the rod for displacing the rod and the locking free end outwardly of the horizontal door edge to a locking …
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 February 18, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 18, 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.