Plug
CA 1049302 A · Owner: Upat-Max Langensiepen Kommanditgesellschaft · Inventors: Frischmann, Albert; Bappert, Adolf; Mermi, Kurt
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A plug is provided for mounting a blind frame either solid or, hollow, particularly at a position spaced from a wall. The plug consists of a sleeve, with an inner end adapted to be suspended within a wall and an anchoring screw adapted to be inserted into the sleeve. The sleeve has a resiliently compressible expanded outer end which is suitable for engaging the frame to be mounted. The inner end of the sleeve is expanded by an expanding body that is internally threaded for engagement on the anchoring screw.
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 27, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 27, 1996.
- 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.