Cutting knife for rotary cutting apparatus for paper
CA 1310259 C · Owner: Gammerler, Hagen · Inventors: Gammerler, Gunter
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
In a cutting knife for rotary cutting apparatuses for multilayer isolated paper products with projections for, example in tooth form, projecting from a base body said, projections are formed as blades or the like displaceable in or on the base body inclined with respect to the cutting plane and the faces of said blades lying in the cutting plane can be reground.
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 November 17, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 17, 2009.
- 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.