Patent CH217986A successfully refreshed from Google Patents.
CH217986A
Expired / Lapsed
CH
⏱️ 0.0 years remaining
Optical signaling system, especially for shooting ranges.
Assignee: Silenta G M B H
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Filing: 1938-09-21
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Granted: —
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Expires: 1958-09-21
Abstract
No abstract record available.
Inventors
- 👤 Silenta G M B H
Bibliographic Details
Application Number
—
Jurisdiction
CH
Data Source
google_patents
Last Synchronized
2026-10-23 12:52
CPC Classifications
F; F41; F41J; F41J11/00; F41J5/00; F41J5/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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