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Expired Canadian patentCanada

Digital control system for remote dispensing of fluids

CA 1285046 C · Owner: Olender, Julian · Inventors: Williams, Thomas; Olender, Julian; O'Connor, Gerald R.

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 control unit for remote dispensing of specified quantities of fluids, especially at multiple work stations is disclosed. The control unit includes an electrical power input, a station selector for selecting one of the fluid dispensing stations, a relay for when closed, activating the solenoid at the selected station to permit fluid to be dispensed, and a digital counter for receiving signals from a meter. The digital counter includes a reset button for setting the dispensed amount back to zero and operating to close the relay, and includes a presettable register operating to open the relay once the digital counter reaches an amount set in the presettable register.

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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 June 18, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 18, 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.
FiledFebruary 27, 1987
GrantedJune 18, 1991
Term endedJune 18, 2008
Patent numberCA 1285046 C
Classification (IPC)B67D7/04 +1 more

Timeline

Timeline From CIPO dates

1988199119941997200020032006Application filedFeb 27, 1987Patent grantedJune 18, 1991Term endedJune 18, 2008

Sources & verification

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