Method and apparatus for forming pipe reinforcing cages and like closed loop objects
CA 1045514 A · Owner: U.S. Automation Company · Inventors: Borodin, Daniel J.; Tolliver, Wilbur E.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure The invention relates to apparatus for advancing a workpiece. The apparatus includes a supporting structure including a guide extending therealong and a, carriage guidably supported by the guide and including a drive for moving the carriage along the guide. A clamp, including first and second elements for selectively clamping the workpiece therebetween is coupled, to the carriage assembly for movement with the carriage. The first and second elements are movably engaged to a workpiece held therebetween for moving the workpiece with respect to the clamp. 1.
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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 January 2, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 2, 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.