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Expired Canadian patentCanada

Apparatus for folding material webs

CA 1262435 C · Owner: Sommerer, Werner · Inventors: Sommerer, Werner; Buck, Hermann

CIPO record

Overview

Drawings and full text

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

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Abstract From the Canadian patent

Apparatus for folding material webs For the formation of stacks of zig-zag-folded layers of paperwebs a stacking means is provided subsequently to the folder which stacking means has a lifting table. In the stacking area is provided subsequently to the folder a separating means in the form of a rake with leading separating edged which rake is movable into the stack and severs it along a fold. On the separating means a part-stack is formed thereafter which after retracting the separating means and moving-in the lifting table is took over by this table.

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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 22, 1986
GrantedOctober 24, 1989
Term endedOctober 24, 2006
Patent numberCA 1262435 C
Classification (IPC)B65H45/10 +1 more

Timeline

Timeline From CIPO dates

1987198919911993199519971999200120032005Application filedJan 22, 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.