Masking member
CA 1283283 C · Owner: Ito, Kuninori · Inventors: Horiki, Seinosuke; Ito, Kuninori; Makino, Reiji
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A masking member consisting of an inserting part having a vessel form consisting of a bottom and a perpendicular wall which extends upwards from the circumference of said bottom, and a flange formed arround said inserting part said masking member made of a thermoplastic foam is, presented in the present invention. When said masking member is used, said inserting part of said masking member is inserted into a hole of an article and said flange of said masking member covers the surroundings of said hole. Thus the inside of said hole and said surroundings of said hole are protected from a surface treatment and the removing of said masking member after said surface treatment from said hole may …
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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 April 23, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 23, 2008.
- 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.