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Expired Canadian patentCanada

Mist reduction assembly for ink jet printer

CA 1293885 C · Owner: Oberteuffer, John A. · Inventors: Oberteuffer, John A.; Jochimsen, Dieter

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

The present assembly is an ink jet printer of the continuous stream type for printing an image on a recording surface having a nozzle or orifice from which an electrically conductive ink stream is expelled by pressure along a predetermined path toward a recording surface apparatus to selectively deflect or interrupt portions of the ink stream such that the portions deflected or interrupted are prevented from reaching the area of the recording surface or which said image is printed, an ink mist shield positioned proximate to the recording surface, the mist shield being maintained at a first potential, apparatus for charging the recording surface to a second potential substantially different …

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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 January 7, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 7, 2009.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledDecember 9, 1986
GrantedJanuary 7, 1992
Term endedJanuary 7, 2009
Patent numberCA 1293885 C
Classification (IPC)B41J2/16 +1 more

Timeline

Timeline From CIPO dates

19871990199319961999200220052008Application filedDec 9, 1986Patent grantedJan 7, 1992Term endedJan 7, 2009

Sources & verification

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