Patent CH302293A successfully refreshed from Google Patents.
CH302293A
Expired / Lapsed
CH
⏱️ 0.0 years remaining
Surge arrester spark gap with pre-ionization.
Assignee: Sprecher & Schuh Ag
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Filing: 1952-07-05
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Granted: —
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Expires: 1972-07-05
Abstract
No abstract record available.
Inventors
- 👤 Fabrik Elektrischer Apparat Ag
Bibliographic Details
Application Number
—
Jurisdiction
CH
Data Source
google_patents
Last Synchronized
2026-11-06 14:48
CPC Classifications
H; H01; H01J; H01J17/00; H01J17/38; H01J17/40; H01J21/00; H01J2893/00; H01J2893/0059
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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