Electron gun having multiple emitting sections for generating multiple electron bunches
CA 2254137 A1 · Owner: Mako, Frederick M. · Inventors: Mako, Frederick M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention pertains to an electron gun that generates multiple electron bunches to produce r.f. energy. The electron gun (10) comprises an r.f. input cavity having a first multiple emitting surface (14 16) and a , second multiple transmitting and emitting sections (18 20). The electron gun , also includes a rotating and oscillating force generating mechanism (26) encompassing the multiple emitting surface (16) and sections (20). The multiple sections (20) further include multiple grids (24) of annular circular, or rhombehedron shape. Moreover a method of producing multiple , electron bunches is provided using the present invention.
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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 May 20, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 20, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 20, 2019.
- 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.