US3035205A
Expired / Lapsed
US
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Method and apparatus for controlling gas discharges
Assignee: Elektrophysikalische Anstalt Bernhard Berghaus
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Filing: 1951-01-18
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Granted: 1962-05-15
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Expires: 1971-01-18
Abstract
No abstract record available.
Inventors
- 👤 Berghaus Bernhard
- 👤 Bucek Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:21
CPC Classifications
H; H01; H01J; H01J37/00; H01J37/32; H01J37/32009; H01J37/32018; H01J37/34
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2468175A
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US1905993A
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US2031214A
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US2219611A
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US2219614A
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US2219615A
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US2342784A
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US2454757A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-05-14 | 1965-11-13 | 1966-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-14 | 1969-11-13 | 1970-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-14 | 1973-11-13 | 1974-05-15 | $7700.00 | Window Closed / Lapsed |