Draw clamp
CA 1050061 A · Owner: Stevenson, Cleatus G. · Inventors: Stevenson, Cleatus G.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A draw clamp for holding together abutting portions of a frame for facilitating joining of the portions to one another has a base member provided with a pair of planar support surfaces extending into the base member toward one another and meeting at substantially a right angle to form a cradle for the frame portions. Pivotally mounted on the base member is a handle which actuates a pair of locking jaws also pivotally mounted on the base member and terminating in double fangs arranged for selectively gripping the frame portions being supported by the cradle. The pivotal mounting for the handle includes an elongated slot in the base member for reception of a pivot pin therethrough. A washer …
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 March 6, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 6, 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.