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Expired Canadian patentCanada

Method and apparatus for applying a correction sticker to a document

CA 1333478 C · Owner: Hanna, Peter D. · Inventors: Hanna, Peter D.

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 method and apparatus for applying a, correction sticker to a document to cover incorrect data entered on a field on the document. Correction stickers on a carrier strip are fed to an application station where a document whose field to be covered is located. An ejector plate and a pressure plate located at the application station are used to partially separate a correction sticker from the carrier and to position the leading edge of the correction sticker in an application position with regard to the field on the document to be covered. An operating lever having a roller on one end thereof is used to move the leading edge of the correction sticker into adherence with the document. 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 December 13, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 13, 2011.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJuly 31, 1989
GrantedDecember 13, 1994
Term endedDecember 13, 2011
Patent numberCA 1333478 C
Classification (IPC)B65C11/00

Timeline

Timeline From CIPO dates

19901993199619992002200520082011Application filedJuly 31, 1989Patent grantedDec 13, 1994Term endedDec 13, 2011

Sources & verification

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