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Expired Canadian patentCanada

Method and apparatus for web printing

CA 1109331 A · Owner: Harris Corporation · Inventors: Schriber, Louis; Blaha, John F.; Stephens, Robert E.

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

Abstract of the Disclosure A method and apparatus for makeready of a web press having an unwind apparatus for supporting a rolled web of material and having a plurality of rotatable members in spaced alignment defining a path for the web and arranged to perform operations on said web such as printing, perforating numbering, punching, or slitting, wherein the members are rotated in synchronism and are adjustable laterally and/or circumferentially with respect to the web path, is disclosed as comprising markings and scales establishing a reference position in the unwind apparatus for the rolled web and establishing separate side reference positions for each of said rotatable members which has …

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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 September 22, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 22, 1998.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledOctober 26, 1977
GrantedSeptember 22, 1981
Term endedSeptember 22, 1998
Patent numberCA 1109331 A
Classification (IPC)B41F5/08 +1 more

Timeline

Timeline From CIPO dates

1978198119841987199019931996Application filedOct 26, 1977Patent grantedSep 22, 1981Term endedSep 22, 1998

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