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Expired Canadian patentCanada

Fire retardant printed wood paneling

CA 1088270 A · Owner: Lilly Company (The) · Inventors: Steele, Wallace A.

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

Printed wood paneling having a reduced flame spread rating is provided by embossing the wood surface to be finished to depress in a relatively uniform pattern of depressed portions at least about 20% up to about 70% of the surface area of the wood to a depth of at least about 0.01 inch, and these depressed portions are then filled with an intumescent fire retardant filler and the excess filler is substantially removed from the undepressed portions of the wood surface. The embossed panel with the depressed portions thereof filled with intumescent fire retardant filler is then finished in conventional fashion by applying a filler, sanding, base coating printing, and usually embossing. A clear …

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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 October 28, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 28, 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.
FiledNovember 8, 1978
GrantedOctober 28, 1980
Term endedOctober 28, 1997
Patent numberCA 1088270 A
Classification (IPC)B32B3/30 +2 more

Timeline

Timeline From CIPO dates

1979198119831985198719891991199319951997Application filedNov 8, 1978Patent grantedOct 28, 1980Term endedOct 28, 1997

Sources & verification

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