US2461626A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Joint
Assignee: Northrop Grumman Space and Mission Systems Corp
•
Filing: 1944-12-09
•
Granted: 1949-02-15
•
Expires: 1964-12-09
Abstract
No abstract record available.
Inventors
- 👤 James H Booth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:35
CPC Classifications
F; F16; F16C; F16C11/00; F16C11/04; F16C11/06; F16C11/0604; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32606; Y10T403/32631; Y10T403/32647; Y10T403/32663
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2049163A
Cited
US2048803A
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US2128087A
Cited
US2178206A
Cited
US2197889A
Cited
US2274418A
Cited
US2350398A
Cited
US2274420A
Cited
US2317920A
Cited
US2398848A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-02-15 | 1952-08-16 | 1953-02-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-02-15 | 1956-08-16 | 1957-02-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-02-15 | 1960-08-16 | 1961-02-15 | $7700.00 | Window Closed / Lapsed |