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Expired Canadian patentCanada

Compact germicidal lamp having multiple wavelengths

CA 2506039 C · Owner: Light Sources, Inc. · Inventors: Sauska, Christian; Pirovic, Arpad

CIPO record

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Abstract From the Canadian patent

A compact germicidal lamp having a plurality of adjacent parallel glass cylinders capable of transmitting different wavelengths of ultraviolet radiation connected by a perpendicular glass tube. A first glass cylinder made of a doped quartz material and capable of transmitting ultraviolet radiation in the wavelength range of approximately 254 nanometers is positioned adjacent a second glass cylinder made of a quartz material capable of transmitting ultraviolet radiation in the wavelength range of approximately 185 nanometers. The first and second glass cylinders are connected by a perpendicular glass tube. The compact germicidal lamp when used in a germicidal system, provides effective …

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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, 2005 and granted October 15, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended May 2, 2025.
  • 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.
FiledMay 2, 2005
GrantedOctober 15, 2013
Term endedMay 2, 2025
Patent numberCA 2506039 C
Classification (IPC)H01J61/38 +2 more

Timeline

Timeline From CIPO dates

2006200820102012201420162018202020222024Application filedMay 2, 2005Patent grantedOct 15, 2013Term endedMay 2, 2025

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