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Expired Canadian patentCanada

Document handler vacuum belt platen transport system

CA 1310343 C · Owner: Iaia, Thomas C. Jr. · Inventors: Siegel, Robert P.; Iaia, Thomas C. Jr.; Mclaughlin, William J.

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 document handler 20 for presenting documents to the platen 23 of a copier 10 for copying with a vacuum belt platen transport system 23 having plural unapertured, thin, low-frictional document transporting belts, 35 with substantial exposed spaces 35a between the edges of the belts the, belts being movable under a substantially planar vacuum plenum backing and imaging background surface 33a overlying the platen and a vacuum, system 33 for applying a partial vacuum to a document sheet being transported by the movable belts; wherein the vacuum plenum surface 33a has multiple vacuum apertures 53 located under and overlaid by the edges of the belts 35, the belts extending in rows under 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 November 17, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 17, 2009.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledDecember 1, 1988
GrantedNovember 17, 1992
Term endedNovember 17, 2009
Patent numberCA 1310343 C
Classification (IPC)G03B27/64 +1 more

Timeline

Timeline From CIPO dates

1989199219951998200120042007Application filedDec 1, 1988Patent grantedNov 17, 1992Term endedNov 17, 2009

Sources & verification

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