US2783003A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aircraft engine installation
Assignee: Lockheed Martin Corp
•
Filing: 1951-10-16
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Granted: 1957-02-26
•
Expires: 1971-10-16
Abstract
No abstract record available.
Inventors
- 👤 William P Ralston
- 👤 Richard F Boehme
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:29
CPC Classifications
B; B64; B64D; B64D27/00; B64D27/40; B64D27/402
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR955254A
Cited
US1836319A
Cited
US1648875A
Cited
US1641306A
Cited
FR724547A
Cited
US2209001A
Cited
US2425498A
Cited
US2584961A
Cited
US2504422A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-02-26 | 1960-08-27 | 1961-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-02-26 | 1964-08-27 | 1965-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-02-26 | 1968-08-27 | 1969-02-26 | $7700.00 | Window Closed / Lapsed |