Secondary ion generator detector for time-of-flight mass spectrometry
CA 2304868 A1 · Owner: Weinberger, Scot R. · Inventors: Weinberger, Scot R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An ion detector includes a secondary charged particle generator that generates secondary charged particles in response to primary ions that engage the secondary charged particle generator. The secondary charged particle generator has an electrostatic potential that repels the secondary charged particles toward an electro-emissive detector that generates electrons in response to primary ions and secondary charged particles that engage the electro-emissive detector. The electro-emissive detector has a field that attracts the secondary charged particles. An anode is provided for detecting electrons generated by the electro-emissive detector and for generating a signal.
Read the whole patent
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 22, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 22, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 22, 2020.
- 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.