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Expired Canadian patentCanada

Component, in particular, built-in sink, and method for its manufacture

CA 1340127 C · Owner: Schock, Friedrich · Inventors: Schock, Friedrich

CIPO record

Overview

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

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Abstract From the Canadian patent

In a component such as a built-in sink a washhand basin, or the like, having a visible side and a rear side and consisting of a compound made of a resin which forms a matrix and of a filler comprised, at least predominantly of quartz particles, in order to improve the wearing quality, the majority of the quartz particles have a size of between 0.1 mm and 2 mm, the filler constitutes about 60% to 80% by weight of the compound the quartz, particles have an unbroken grain shape and in the areas of the component subject to severe stress during use are packed more densely than those on the rear side of the component. To manufacture such a component a mold is, placed, for curing of the resin in a …

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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 November 10, 1998. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 10, 2015.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledSeptember 5, 1989
GrantedNovember 10, 1998
Term endedNovember 10, 2015
Patent numberCA 1340127 C
Classification (IPC)B32B3/02 +2 more

Timeline

Timeline From CIPO dates

199019931996199920022005200820112014Application filedSep 5, 1989Patent grantedNov 10, 1998Term endedNov 10, 2015

Sources & verification

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