Patent Yard Sign in
Expired Canadian patentCanada

Fluid dispenser for an aircraft

CA 1320188 C · Owner: Aero Union Corporation · Inventors: Neuwirth, Lawrence J.; Macdonald, Alan B.

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

The momentary position between open and closed, of a bottom door panel controlling release of fluid from an airborne container containing the fluid is governed by both the height of the fluid in the container and the instantaneous position of the door panel.

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 July 13, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 13, 2010.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJuly 17, 1989
GrantedJuly 13, 1993
Term endedJuly 13, 2010
Patent numberCA 1320188 C
Classification (IPC)B64D1/16

Timeline

Timeline From CIPO dates

1990199319961999200220052008Application filedJuly 17, 1989Patent grantedJuly 13, 1993Term endedJuly 13, 2010

Sources & verification

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