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Expired Canadian patentCanada

Print head

CA 1281232 C · Owner: Monarch Marking Systems, Inc. · Inventors: Karn, Donald L.

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

There is disclosed a printing band print head having a one-piece, dimensionally accurate, mounting block with integral end plates, the mounting block having a cradle for rotatably supporting drive wheels, printing bands with long printing characters and short human readable characters a, selector cooperable with any selected drive wheel the, selector being easy to assemble and including a knob connected to a selector shaft, an indicator axially shiftable as a unit with the selector, the selector shaft being rotatable with respect to the indicator a sleeve on the, shaft, and the sleeve having detent means and driver means. Printing bands coupled to the drive wheels pass about direction …

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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 March 12, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 12, 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.
FiledJune 17, 1985
GrantedMarch 12, 1991
Term endedMarch 12, 2008
Patent numberCA 1281232 C
Classification (IPC)B41J1/60 +2 more

Timeline

Timeline From CIPO dates

19861989199219951998200120042007Application filedJune 17, 1985Patent grantedMarch 12, 1991Term endedMarch 12, 2008

Sources & verification

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