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Expired Canadian patentCanada

Electro-optical ion detector for a scanning mass spectrometer

CA 2007782 C · Owner: The Perkin-Elmer Corporation · Inventors: Mount, Bruce E.

CIPO record

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Abstract From the Canadian patent

A scanning mass spectrometer (10) in combination with an electro-optical detector (100) which enable greatly increased speed of mass determinations by detecting a limited range of masses simultaneously thus, reducing the number of discrete magnetic field adjustments required over a large range of masses. The electro-optical detector (100) includes a channel electron multiplier assembly (94) with the surface of an image plate (80) located along the ion focal plane (44) and at an angle to the exit plane (106) of the magnetic sector (26) and a fiberoptic window (134) of a special shape optically coupled between the angled image plate (80) and a photodiode detector array (140). The fiberoptic …

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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 January 15, 1990 and granted December 5, 2000. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended January 15, 2010.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 15, 2012.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJanuary 15, 1990
GrantedDecember 5, 2000
Term endedJanuary 15, 2010
Patent numberCA 2007782 C
Classification (IPC)H01J49/30 +2 more

Timeline

Timeline From CIPO dates

1991199319951997199920012003200520072009Application filedJan 15, 1990Patent grantedDec 5, 2000Term endedJan 15, 2010

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