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Expired Canadian patentCanada

Clamp device for paper sheet bundles in a paper sheet counting and bandsealing apparatus

CA 1202648 A · Owner: Hitachi Denshi Engineering Kabushiki Kaisha · Inventors: Nogi, Hiroyoshi; Kawano, Hikaru; Sato, Koji

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 clamp device for paper sheets is comprized of a stacker member including a stacker piece and a stacker block and adapted for holding paper sheets whose number has been counted in a stacked state, a concavely curved paper sheet receiving surface formed on a surface of said stacker piece adjacent to and contactable with the paper sheets, a driving member provided to said stacker piece at a position opposite to said stacker piece a convexly, curved pressing surface provided to one end of said driving member and operable in a confronting relation to said curved paper sheet receiving surface, and a barrier plate mounted above said stacker piece for preventing popping out of the paper sheets …

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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 April 1, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 1, 2003.
  • 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 21, 1983
GrantedApril 1, 1986
Term endedApril 1, 2003
Patent numberCA 1202648 A
Classification (IPC)B65H31/26 +2 more

Timeline

Timeline From CIPO dates

1984198619881990199219941996199820002002Application filedDec 21, 1983Patent grantedApril 1, 1986Term endedApril 1, 2003

Sources & verification

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