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Expired Canadian patentCanada

Device for individually separating flat objects, especially postal correspondence and the like, and spacing them at constant distances apart

CA 1182136 A · Owner: Elettronica San Giorgio Elsag S.P.A. · Inventors: Rapetti, Renzo; Levaro, Mauro; Scarnera, Michele

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

Device for individually separating flat objects especially, postal correspondence and the like and spacing them at, constant distances apart" ABSTRACT, A separator-spacer device for flat objects such as, postal correspondence, able to operate equally on a stream of objects or on a loose pack of objects. The flat objects to be handled are fed into the V space formed by the opposing branches of two bands which are urged resiliently against each other in order to define a first pinch point. One of these bands is of a material having a high coefficient of friction and moves in the feed direction of the objects whereas the other band moves at a lower speed in the opposite direction and has a …

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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 February 5, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 5, 2002.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMay 29, 1981
GrantedFebruary 5, 1985
Term endedFebruary 5, 2002
Patent numberCA 1182136 A
Classification (IPC)B65H7/00 +2 more

Timeline

Timeline From CIPO dates

1982198519881991199419972000Application filedMay 29, 1981Patent grantedFeb 5, 1985Term endedFeb 5, 2002

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