Flapped grinding disk
CA 2494800 C · Owner: Keuler, Josef · Inventors: Keuler, Josef
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The flapped grinding disk comprises a disk- or plate-shaped support and grinding flaps which overlap each other on the support in the manner of shingles and which are secured in an adhesive bed. Apertures are cut away on the periphery of the flapped grinding disk the apertures have approximately the form of a part of an annulus with a front edge and an edge at the rear in the direction of rotation of the grinding disk and at least the edge of the apertures that is at the rear in the direction of rotation of the grinding disk runs approximately radially. The grinding flap adjoining the rear edge of the aperture can form a ramp. The front edge of the apertures can also run approximately …
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 27, 2005 and granted April 10, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended January 27, 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.