US2774305A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rocket steering system
Assignee: Individual
•
Filing: 1952-07-09
•
Granted: 1956-12-18
•
Expires: 1972-07-09
Abstract
No abstract record available.
Inventors
- 👤 Thomas W Fitzgerald
- 👤 Robert W Farren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:50
CPC Classifications
F; F42; F42B; F42B10/00; F42B10/60; B; B64; B64G; B64G1/00; B64G1/22; B64G1/24; B64G1/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-12-18 | 1960-06-18 | 1960-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-18 | 1964-06-18 | 1964-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-18 | 1968-06-18 | 1968-12-18 | $7700.00 | Window Closed / Lapsed |