Patent FR61243E successfully refreshed from Google Patents.
FR61243E
Expired / Lapsed
FR
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New manufacturing process for vacuum tubes or vessels
Assignee: Thales SA
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Filing: 1951-02-22
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Granted: 1955-04-05
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Expires: 1971-02-22
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-31 09:42
CPC Classifications
C; C03; C03C; C03C27/00; C04; C04B; C04B37/00; C04B37/003; C04B37/005; C04B37/04; C04B37/045; C04B2237/00; C04B2237/02; C04B2237/10; C04B2237/30; C04B2237/32; C04B2237/34; C04B2237/341; C04B2237/343; C04B2237/50; C04B2237/52; C04B2237/70; C04B2237/708; C04B2237/72; C04B2237/76
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