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Expired Canadian patentCanada

Microfiche printing system and method

CA 1315142 C · Owner: Tameran, Inc. · Inventors: Janik, Walter E.; Wise, David S.

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 microfiche printing system and method includes an optical system operative to scan and temporarily record microfiche image edge data on a high speed row scanning stroke of a microfiche sheet and to print the row of microfiche images onto plain paper on a printing stroke of the microfiche sheet using the temporarily recorded data automatically to control microfiche image masking. The optics system includes a shutter/mirror assembly having a shutter movable between an open position for printing microfiche images aligned with the optics in the printing stroke and a closed position to block the light path of the optics system for edge masking functions in the printing stroke and for diverting …

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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 March 30, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 30, 2010.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledApril 7, 1989
GrantedMarch 30, 1993
Term endedMarch 30, 2010
Patent numberCA 1315142 C
Classification (IPC)G03B27/52 +2 more

Timeline

Timeline From CIPO dates

1990199319961999200220052008Application filedApril 7, 1989Patent grantedMarch 30, 1993Term endedMarch 30, 2010

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