Creping blade and method of creping
CA 2620268 C · Owner: Robb, Kerry Paul · Inventors: Robb, Kerry Paul; Conn, Richard Harvey; Dreisig, Robert Charles
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A creping blade (10) including a body having a leading side (50) a trailing , side (55), and working end (15) including a bevel surface (30). The bevel surface is defined by a leading edge (20) and a trailing edge (25) wherein , the trailing edge (25) of the creping blade has a trailing edge radius of greater than about 0.001 inches (about 0.0254 mm).
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
- Filed January 21, 2006 and granted January 3, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended January 21, 2026.
- 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.