Device for releasably fastening tube or pipe ends
CA 1052412 A · Owner: Weinhold, Karl · Inventors: Weinhold, Karl
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A device for releasably fastening tube or pipe ends comprises a plurality of shell parts pivotally connected together to form, when closed an annular shell, the shell parts having radially inwardly directed flanges for retaining the tube or pipe ends within the annular shell and a toggle lever lock connecting two adjacent shell parts which have ends in engagement when closed, the toggle lever lock comprising a toggle lever connected pivotally to one of the engageable ends of the shell parts and extending along the other of the two adjacent shell parts when the device is closed and a spring lying between the toggle lever and the said other adjacent shell part in engagement with the said …
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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 April 10, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 10, 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.