Fastening device
CA 1087362 A · Owner: Mrotzek, Richard · Inventors: Mrotzek, Richard
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A device for fastening a pair of structural pieces in face to face relationship which has a pair of conical socket members adapted to be secured to each of the pieces and opening out of respective faces thereof for rotatably accepting opposite end portions of a dowel which has a pair of diametrically opposed longitudinally extending flat portions terminating in abutement faces which are engaged by free ends of a spring leaf detent outer ends of which are secured to the socket members near the open ends thereof, the dowel having a notched central flange which can be gripped by a tool extended between the pieces for rotating the dowel so as to move the abutement faces out of and into …
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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 October 14, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 14, 1997.
- 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.