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Canadian application, no grantCanada

Device and method for automatically producing a thermal recoil response in nematodes

CA 2458141 A1 · Owner: Weidner, Gerhard · Inventors: Weidner, Gerhard; Tovar, Karlheinz; Braungart, Evelyn

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

The invention relates to a device (10) and a method for automatically producing a thermal recoil response in nematodes in particular in order to , test pharmaceutical substances. The device (10) comprises a bearing surface (12), on which sample containers (14) of nematodes (16) are arranged a laser , (18), a device (27) for selectively interrupting the laser beam to regulate the duration of the laser pulse and a scanner (22) for projecting and focussing the laser beam and for controlling a deviation. A light source (28) irradiates the sample container (14) with light which induces a contrast in , the nematodes in the container. An additional light source (29) can also irradiate the …

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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 March 18, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 18, 2022.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 18, 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.
FiledMarch 18, 2002
GrantedNo grant recorded
Term endedMarch 18, 2022
Patent numberCA 2458141 A1
Classification (IPC)G01N21/64 +2 more

Timeline

Timeline From CIPO dates

2003200520072009201120132015201720192021Application filedMarch 18, 2002Term endedMarch 18, 2022

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