Reversible floating punch retainer for punch change retainer tool
CA 2571974 C · Owner: Dayton Progress Corporation · Inventors: Goedeking, Van Lynn
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A punch change retainer (8) for positioning a floating punch (74) in a retracted, disengage position and an extended engage position. The change , retainer includes a change retainer body (10) and a punch retainer receiving aperture (20) extending upwardly through the change retainer body from a bottom surface thereof. A gagging member (50) is located in the change retainer body and is actuate e by an actuator (14) between a retracted position distal from a nose portion (12) of the change retainer body and an extended position adjacent the nose portion of the change retainer body. A floating punch retainer (64) is receivable within the punch retainer receiving aperture, and includes …
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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
- Filed June 30, 2005 and granted December 18, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended June 30, 2025.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.