Patent Yard Sign in
Expired Canadian patentCanada

Apparatus and method for determining a fluid level within an enclosed container

CA 2595908 C · Owner: Zdzislaw, Chajec · Inventors: Zdzislaw, Chajec

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

A method and apparatus for determining a fluid level within an enclosed housing. The present invention provides an enclosed housing having a dynamic fluid level contained therein. The apparatus includes an electromagnetic radiation source for directing electromagnetic radiation rays toward the interior of the enclosed housing and an electromagnetic radiation detector for receiving and measuring reflected electromagnetic radiation rays. The electromagnetic radiation detector provides a detector output signal to a controller. The controller interprets the detector output signal to determine whether the fluid level has statically reached a desired level and then generates a controller …

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

  • Filed February 3, 2006 and granted March 27, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended February 3, 2026.
  • Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
  • 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 3, 2006
GrantedMarch 27, 2012
Term endedFebruary 3, 2026
Patent numberCA 2595908 C
Classification (IPC)B01D35/14

Timeline

Timeline From CIPO dates

2007200920112013201520172019202120232025Application filedFeb 3, 2006Patent grantedMarch 27, 2012Term endedFeb 3, 2026

Sources & verification

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