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Expired Canadian patentCanada

Machine imprintable business form with transverse colored bars

CA 1217519 B · Owner: Moore Business Forms, Inc. · Inventors: Allen, Robert H.; Gould, Alan M.

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 business form having a surface adapted to be imprinted with characters of a predetermined size by the printing means of a business machine. The form has a plurality of adjacent parallel bars of at least three different colors, one of which is lighter than the other two. The bars have a height dimension at least equal to but less than twice the height of the characters so as to accommodate a single line of characters. Lighter colored bars are spaced apart from each other alternately by a single bar of one of the other colors and any sequence of four adjoining bars includes bars of at least three different colors.

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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 June 14, 1977. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 14, 1994.
  • 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 13, 1973
GrantedJune 14, 1977
Term endedJune 14, 1994
Patent numberCA 1217519 B
Classification (IPC)B42D15/00

Timeline

Timeline From CIPO dates

1974197719801983198619891992Application filedSep 13, 1973Patent grantedJune 14, 1977Term endedJune 14, 1994

Sources & verification

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