US2881619A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coaxial control rod drive mechanism for neutronic reactors
Assignee: Individual
•
Filing: 1957-04-23
•
Granted: 1959-04-14
•
Expires: 1977-04-23
Abstract
No abstract record available.
Inventors
- 👤 Richard J Fox
- 👤 Lester C Oakes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:20
CPC Classifications
F; F16; F16H; F16H25/00; F16H25/18; F16H25/20; F16H1/00; F16H1/28; F16H1/32; G; G21; G21C; G21C7/00; G21C7/06; G21C7/08; G21C7/12; G21C7/14; G21F; G21F7/00; G21F7/06; G21F7/066; H; H02; H02K; H02K7/00; H02K7/06; F16H2001/2881; F16H2025/2062; F16H2025/2075; F16H2025/2087; Y; Y02; Y02E; Y02E30/00; Y02E30/30; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18568; Y10T74/18576
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1563945A
Cited
US2307317A
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US2387800A
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US2410695A
Cited
US2418351A
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US2792036A
Cited
US2780740A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-13 | 1962-10-13 | 1963-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-13 | 1966-10-13 | 1967-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-13 | 1970-10-13 | 1971-04-14 | $7700.00 | Window Closed / Lapsed |