Patent Yard Sign in
Expired Canadian patentCanada

Combination web tucker and knife with web grippers and anvil

CA 1088704 A · Owner: Gregg Engineering Corp. · Inventors: Gregoire, Joseph M.; Hartman, James A.; Gregoire, Clyde G.

CIPO record

Overview

Drawings and full text

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

Open the CIPO record

Abstract From the Canadian patent

An apparatus for the printing industry in which a web tucker and cutter on one operational roller engages a combination gripper means and anvil on a cooperative operational roller to cause a bight of a printed web to be inserted into the gripper means and simultaneously to effect a severing of the bight portion so that the gripper means engages the severed ends of the web for subsequent folding in the making of a booklet.

Read the whole patent

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 4, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 4, 1997.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledApril 19, 1978
GrantedNovember 4, 1980
Term endedNovember 4, 1997
Patent numberCA 1088704 A
Classification (IPC)B41F13/56 +2 more

Timeline

Timeline From CIPO dates

1979198119831985198719891991199319951997Application filedApril 19, 1978Patent grantedNov 4, 1980Term endedNov 4, 1997

Sources & verification

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