Clamp arrangement and system for sheet material
CA 1056133 A · Owner: Kelly, Clifford G. · Inventors: Kelly, Clifford G.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A clamp arrangement for securing sheet material to a base comprising a clamp having a pair of jaw plates with opposed grooves to act as jaws. The jaws are to receive a rod with a sheet extending around it. There is a clamp for drawing the plates together to cause the jaws to grip the rod and thus secure the sheet to the rod. The clamp comprises a bolt secured to one of the plates and extending through a hole in the other of the plates. A locking bar is mounted for rotation on the bolt adjacent the other plate. The bolt is arranged to prevent movement of the bar outwardly along the bolt. There is a protuberance on the adjacent plate near the, bolt. The bar is rotatable on the bolt from a …
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 June 12, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 12, 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.