Sealing fastening device
CA 1053041 A · Owner: I.T.W. De France · Inventors: Morel, Henri
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A fastening device acting as a seal comprising a flexible member of circular shape provided on, both its sides with at least on embossment co-operating with the fastening members so as to sustain the maximum backing force upon mounting on to the supporting member and be deformed so as to constitute a flange applied against said supporting member, said flange preventing any liquid and dust from penetrating.
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 April 24, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 24, 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.