Laminated rotary grinder
CA 1089234 A · Owner: Daichiku Co. Ltd. · Inventors: Oide, Kunimasa
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention is a laminated rotary grinder which has an adhesive layer of a mixture containing phenol resin and the like and inorganic particles having uniform and maximum diameters. This is to allow provision of a space of a predetermined width between the discs. The adhesive layer may cover the entire area or a part of the area extending from the inner circumference and the outer circumference.
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 11, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 11, 1997.
- 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.