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Expired Canadian patentCanada

Luminaire diagnostic and configuration identification system

CA 2420237 C · Owner: Abl Ip Holding Llc · Inventors: Morrissey, Jr. Joseph Francis; Murphy, Thomas Allen; Liben, Martin William

CIPO record

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

A diagnostic and configuration identification system (40) for an electrical device and a photocontroller (10) which automatically turns the electrical device on and off in response to ambient light levels. A detector (32) senses the load drawn by the electrical device when it is on. A processor (54) is responsive to the load drawn by the electrical device when it is on and programmed to detect a cycling fault condition based on the load drawn by the electrical device and to provide an indication of a cycling fault condition according several possible programming configurations. When no cycling or other fault condition is detected, the processor (54) determines the cycling fault …

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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 August 22, 2001 and granted January 22, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended August 22, 2021.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 22, 2023.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledAugust 22, 2001
GrantedJanuary 22, 2013
Term endedAugust 22, 2021
Patent numberCA 2420237 C
Classification (IPC)G05F1/00

Timeline

Timeline From CIPO dates

2002200420062008201020122014201620182020Application filedAug 22, 2001Patent grantedJan 22, 2013Term endedAug 22, 2021

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