Probe head for an nmr spectrometer
CA 2348635 A1 · Owner: Bergmann, Wilfried · Inventors: Bergmann, Wilfried
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to probe head for an NMR spectrometer which has at least one transmitter unit for generating high-frequency excitation waves and at least one preliminary amplifier unit V. Said preliminary amplifier serves to amplify measuring signals emitted by a measured sample which has been excited by means of the excitation waves. The probe head comprises a cryogenically cooled primary measuring circuit which includes at least a first antenna and a first waveguide. Said antenna is connected to the preliminary amplifier V via the first waveguide. At least the first waveguide operates in the range of the abnormal skin effect. The mean free path length of the charge carrier …
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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 September 30, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 30, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 30, 2021.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.