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US2516348A
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US
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Delayed voltage responsive system utilizing capacitor controlled thyratrons
Assignee: Allis Chalmers Corp
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Filing: 1945-06-20
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Granted: 1950-07-25
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Expires: 1965-06-20
Abstract
No abstract record available.
Inventors
- 👤 Rudolph M Serota
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:24
CPC Classifications
G; G05; G05F; G05F1/00; G05F1/10; G05F1/12; G05F1/24; G05F1/247
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1959298A
Cited
US2023084A
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US2302889A
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US2387444A
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US2431284A
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US2368582A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-07-24 | 1954-01-23 | 1954-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-24 | 1958-01-23 | 1958-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-24 | 1962-01-23 | 1962-07-25 | $7700.00 | Window Closed / Lapsed |