Concealable wallboard fastener
CA 1107475 A · Owner: Weinar, Roger N. · Inventors: Weinar, Roger N.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A fastener for use with other such fasteners in concealably holding wallboard panels to framing members and in abutting linear relationship with each other is made of sheet metal and includes a first part suitable for fastening to and against a framing member, a second part overlying a part of said first part and farther from the framing member than the first part, when installed, an intermediate section connecting said first and second parts so they can move relatively with, the intermediate section resisting such movement a web, extending from said second part and at the web end,an impaling part for insertion into a wallboard. The first and second parts of the fastener are substantially …
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 August 25, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 25, 1998.
- 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.