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Expired Canadian patentCanada

Method and apparatus for coating tile

CA 1090206 A · Owner: American Biltrite Inc. · Inventors: Ferguson, Donald C.; Smith, Merrill M.; Holmstrom, Ernest R.

CIPO record

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

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Abstract From the Canadian patent

A tile having pre-formed edges and an exposed decorative relief surface with high areas subject to greater than average wear and low areas subject to less than average wear is provided with a protective coating which is thicker on the high areas than on the low areas. The coating covers the exposed surface without covering the pre-formed edges. Such coatings are provided in high volume production apparatus by the steps of (a) providing a continuous succession of base tiles with abutting front and back edges; (b) spraying a first coating of protective material onto the exposed surface of the tile from one or more points vertically within the side edges; (c) at least partially curing the …

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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 25, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 25, 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.
FiledMay 26, 1977
GrantedNovember 25, 1980
Term endedNovember 25, 1997
Patent numberCA 1090206 A
Classification (IPC)B05D1/02 +2 more

Timeline

Timeline From CIPO dates

1978198019821984198619881990199219941996Application filedMay 26, 1977Patent grantedNov 25, 1980Term endedNov 25, 1997

Sources & verification

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