Punch press with c-shaped frame
CA 1056296 A · Owner: Blackman Martin Group Limited · Inventors: Oxenham, John
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A punch press has a workpiece positioning assembly with first and second traverses mounted perpendicular to one another. The second traverse is unsupported at its ends and mounted intermediate its ends upon the first traverse for horizontal movement in a direction perpendicular to the axis of the second traverse. The second transverse has a carriage movable therealong for supporting a workpiece and effecting movement in a direction parallel to the axis of the second traverse.
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.