Conductive tube for use as a reflectron lens
CA 2460757 C · Owner: Burle Technologies, Inc. · Inventors: Laprade, Bruce
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A reflection lens and method are provided. The reflection lens comprises a tube having a continuous conductive surface along the length of the tube for providing an electric field interior to the tube that varies in strength along the length of the tube. The tube may comprise glass and in particular, a glass comprising metal ions such as lead, which may be reduced to form the conductive surface. The method includes a step of introducing a beam of ions into a first end of a dielectric tube having a continuous conductive surface along the length of the tube. The method further includes a step of applying an electric potential across the tube to create an electric field gradient that varies in …
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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 12, 2004 and granted January 8, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended March 12, 2024.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 12, 2026.
- 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.