Patent US2512790A successfully refreshed from Google Patents.
US2512790A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control and indicator for supersonic vehicles
Assignee: Lockheed Martin Corp
•
Filing: 1948-01-09
•
Granted: 1950-06-27
•
Expires: 1968-01-09
Abstract
No abstract record available.
Inventors
- 👤 Frank A Cleveland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:46
CPC Classifications
G; G01; G01P; G01P5/00; G01P5/14; G01P5/16; G01P5/17; G01P5/175; B; B64; B64C; B64C9/00; B64C9/32; B64D; B64D27/00; B64D27/02; B64D27/023
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2029700A
Cited
US1978863A
Cited
US2179500A
Cited
US2279615A
Cited
US2237306A
Cited
US2343281A
Cited
US2392443A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-06-26 | 1953-12-26 | 1954-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-06-26 | 1957-12-26 | 1958-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-06-26 | 1961-12-26 | 1962-06-27 | $7700.00 | Window Closed / Lapsed |