Ornamental articles having coating membrane
CA 1294836 C · Owner: Toray Industries, Inc. · Inventors: Hosono, Hiroshi; Taniguchi, Takashi; Nakamura, Itaru
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An ornamental article comprising a natural ornamental material such as pearl and a cured coating membrane of a composition based on organic materials which is coated on the surface of said natural ornamental material in a thickness from 0.01 µm to 30 µm, with improved properties such as surface luster and resistivity to scratch light, chemicals, etc.
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 January 28, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 28, 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.