Tube clamp
CA 1137059 A · Owner: Deutsher (W. A.) Proprietary Limited · Inventors: Speedie, Robert
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a tube clamp such as a, weasand clamp, wherein there are means for locking the clamp in its closed position. The clamp comprises a quasi-tubular member having in its side wall a slot extending from one end of the clamp to the other, so that the clamp may be fitted to a flexible tube at a position between its opposite ends. Within the tubular member is a hinged flap adapted to press upon the flexible tube, and close it, when there is pressure to move the clamp rearwardly, the hinged flap being arranged to permit the clamp to be moved forwardly. Moulded integrally with the clamp is a flexible strap having at about its free end a stud or bead which is engageable in 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 December 7, 1982. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 7, 1999.
- 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.