Patent CH233309A successfully refreshed from Google Patents.
CH233309A
Expired / Lapsed
CH
⏱️ 0.0 years remaining
Directional antenna system.
Assignee: Bell Telephone Mfg
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Filing: 1938-11-02
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Granted: —
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Expires: 1958-11-02
Abstract
No abstract record available.
Inventors
- 👤 Bell Telephone Manufac Anonyme
Bibliographic Details
Application Number
—
Jurisdiction
CH
Data Source
google_patents
Last Synchronized
2026-10-28 15:28
CPC Classifications
G; G01; G01S; G01S1/00; G01S1/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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