Patent US3818154A successfully refreshed from Google Patents.
Patent CH311432A successfully refreshed from Google Patents.
CH311432A
Expired / Lapsed
CH
⏱️ 0.0 years remaining
Electrical signaling device.
Assignee: Breitler Pierre
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Filing: 1953-10-30
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Granted: —
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Expires: 1973-10-30
Abstract
No abstract record available.
Inventors
- 👤 Breitler Pierre
Bibliographic Details
Application Number
—
Jurisdiction
CH
Data Source
google_patents
Last Synchronized
2026-10-25 08:14
CPC Classifications
G; G08; G08B; G08B13/00; G08B13/22; G08B17/00; G08B17/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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