US2481059A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable rocket nozzle
Assignee: United States, WAR, Secretary of
•
Filing: 1944-08-28
•
Granted: 1949-09-06
•
Expires: 1964-08-28
Abstract
No abstract record available.
Inventors
- 👤 Africano Alfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 06:44
CPC Classifications
F; F42; F42B; F42B10/00; F42B10/60; F42B10/66; F42B10/665; F02; F02K; F02K9/00; F02K9/80
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US212266A
Cited
US567925A
Cited
US1837549A
Cited
US835928A
Cited
US1222972A
Cited
GB166583A
Cited
US1824518A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-09-05 | 1953-03-07 | 1953-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-09-05 | 1957-03-07 | 1957-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-09-05 | 1961-03-07 | 1961-09-06 | $7700.00 | Window Closed / Lapsed |