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Expired Canadian patentCanada

Detent holder for type wheels

CA 1288280 C · Owner: Munch, Helmut · Inventors: Munch, Helmut

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

A detent holder for type wheels used in printing machinery has balls that are installed in stepped drilled holes in the supporting shaft and an elastic insert that is installed in another drilling in the supporting shaft this elastic insert, serving as springing for the balls.

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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 September 3, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 3, 2008.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMarch 28, 1988
GrantedSeptember 3, 1991
Term endedSeptember 3, 2008
Patent numberCA 1288280 C
Classification (IPC)B41K1/12 +2 more

Timeline

Timeline From CIPO dates

1989199119931995199719992001200320052007Application filedMarch 28, 1988Patent grantedSep 3, 1991Term endedSep 3, 2008

Sources & verification

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