Title:
Incandescible cathode and method of making the same
Document Type and Number:
United States Patent 2673277

Inventors:
Johannes, Lemmens Hendrikus
Jacobus, Jansen Marinus
Bernardus, Zaat Josephus Arnold
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Sponsored by:
Flash of Genius
Publication Date:
03/23/1954
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Referenced by:
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Assignee:
HARTFORD NAT BANK & TRUST CO
Primary Class:
219/104
Other Classes:
313/341, 313/337, 219/145.210, 313/346DC, 219/50, 419/52, 428/557, 445/51
International Classes:
H01J1/28; H01J1/20
US Patent References:
2011121Method of making welded irregular shaped hollow articles
2021119Method of making pressure cartridges
2121589Emissive incandescent cathode
2131204Indirectly heated thermionic cathode
2354947Hollow head poppet valve
2375808Electrode for luminous tubes
2492619Electrical discharge tube
2506747Device for the end welding of studs
2543728Incandescible cathode


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