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Expired Canadian patentCanada

Method of and apparatus for changing the conveying speed of shingled paper products

CA 1262464 C · Owner: Gammerler, Gunter · Inventors: Gammerler, Gunter

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 method of and an apparatus for changing the conveying speed of shingled paper products ", ABSTRACT: A method of and an apparatus for changing the conveying speed of shingled paper products after each of the individual products has been seized and accelerated whereby the products are seized on its upper surface or its lower surface as a result of a cyclically recurring contact pressure exerted vertically or approximately vertically on the latter.

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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 October 24, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 24, 2006.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJanuary 28, 1986
GrantedOctober 24, 1989
Term endedOctober 24, 2006
Patent numberCA 1262464 C
Classification (IPC)B65H29/00 +1 more

Timeline

Timeline From CIPO dates

1987198919911993199519971999200120032005Application filedJan 28, 1986Patent grantedOct 24, 1989Term endedOct 24, 2006

Sources & verification

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