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Expired Canadian patentCanada

Airbrush

CA 1108389 A · Owner: Hunt X-Acto, Inc. · Inventors: Rebold, Jerome I.

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

An airbrush of the double action type has an elongated unitary body having an axial passage for longitudinal movement of a needle supported therein. The rear end of the needle is carried by a guide slidably supported in the axial passage and normally urged by a spring in a direction such that the tapered front of the needle enters and closes the jet. A finger-operated lever formed of plastic and shaped to provide a "living hinge" is supported in the body and arranged to engage the guide and move the needle against the action of the spring to control paint flow, and at the same time to open a valve to allow entry of compressed air or other substance under pressure. The maximum paint flow at …

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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 8, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 8, 1998.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledFebruary 22, 1979
GrantedSeptember 8, 1981
Term endedSeptember 8, 1998
Patent numberCA 1108389 A
Classification (IPC)B05B7/30 +2 more

Timeline

Timeline From CIPO dates

1980198219841986198819901992199419961998Application filedFeb 22, 1979Patent grantedSep 8, 1981Term endedSep 8, 1998

Sources & verification

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