Patent US5252179A successfully refreshed from Google Patents.
Patent CH256330A successfully refreshed from Google Patents.
CH256330A
Expired / Lapsed
CH
⏱️ 0.0 years remaining
Filter for selecting a wave type in ultra-short waveguides.
Assignee: Csf
•
Filing: 1944-05-16
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Granted: —
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Expires: 1964-05-16
Abstract
No abstract record available.
Inventors
- 👤 Compagnie Generale De Tele Fil
Bibliographic Details
Application Number
—
Jurisdiction
CH
Data Source
google_patents
Last Synchronized
2026-11-08 18:56
CPC Classifications
H; H01; H01P; H01P1/00; H01P1/16; H01J; H01J23/00; H01J23/36
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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