Patent US2762584A successfully refreshed from Google Patents.
US2762584A
Expired / Lapsed
US
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Vertically rising road operable aircraft
Assignee: Lockheed Martin Corp
•
Filing: 1952-08-15
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Granted: 1956-09-11
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Expires: 1972-08-15
Abstract
No abstract record available.
Inventors
- 👤 Nathan C Price
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:37
CPC Classifications
B; B64; B64C; B64C29/00; B64C29/0008; B64C29/0041; B64C29/0075; B64C37/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2086545A
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US2443250A
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US2441488A
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US2518697A
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US2472839A
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US2474359A
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GB655089A
Cited
US2621001A
Cited
FR971767A
Cited
US2604276A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-09-11 | 1960-03-12 | 1960-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-11 | 1964-03-12 | 1964-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-11 | 1968-03-12 | 1968-09-11 | $7700.00 | Window Closed / Lapsed |