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Expired Canadian patentCanada

Method for restoring painted surface

CA 1264992 C · Owner: Propst, John F. · Inventors: Propst, John F.

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

A method for restoring the finished appearance of a damaged area on a painted surface is disclosed. An aerosol mixture of color-matched paint is sprayed onto the damaged area and onto the undamaged painted surface bordering the damaged area. The wet paint deposit is then contacted with a film of wax. The excess paint and wax are wiped away before the paint deposit becomes tacky. The cavity within the damaged area is substantially filled with a deposit of color-matched paint, without a noticeable transition from the restored surface to the original painted surface. Curing of the wet paint deposit is accelerated by contacting the paint deposit with a synthetic polishing wax which includes …

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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 January 30, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 30, 2007.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledAugust 15, 1986
GrantedJanuary 30, 1990
Term endedJanuary 30, 2007
Patent numberCA 1264992 C
Classification (IPC)B05D7/16 +2 more

Timeline

Timeline From CIPO dates

1987199019931996199920022005Application filedAug 15, 1986Patent grantedJan 30, 1990Term endedJan 30, 2007

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.