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Expired Canadian patentCanada

Add-on module for utility meters

CA 2447515 C · Owner: Fischer, Jeffrey L. · Inventors: Fischer, Jeffrey L.

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 automatic meter reader module is provided that is adapted to be retrofitted or installed in a new or existing utility meter. The module includes a printed circuit board (PCB) on which is mounted on-board circuitry and detection equipment configured to detect utility consumption metered by the utility meter. A transmission device operatively coupled to the PCB is configured to transmit data indicative of utility usage. The PCB is configured to mount within an inner cavity of the utility meter.

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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

  • Filed May 2, 2002 and granted November 8, 2011. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended May 2, 2022.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 2, 2024.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMay 2, 2002
GrantedNovember 8, 2011
Term endedMay 2, 2022
Patent numberCA 2447515 C
Classification (IPC)G01D4/00 +1 more

Timeline

Timeline From CIPO dates

2003200520072009201120132015201720192021Application filedMay 2, 2002Patent grantedNov 8, 2011Term endedMay 2, 2022

Sources & verification

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