Patent US2943816A successfully refreshed from Google Patents.
US2943816A
Expired / Lapsed
US
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Vertical take-off high-speed aircraft
Assignee: HILLER AIRCRAFT Corp
•
Filing: 1954-07-06
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Granted: 1960-07-05
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Expires: 1974-07-06
Abstract
No abstract record available.
Inventors
- 👤 Jr Stanley Hiller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:04
CPC Classifications
B; B64; B64C; B64C39/00; B64C39/02; B64C39/026; B64C29/00; B64C29/0091
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2486990A
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US2601104A
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GB610143A
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US2622826A
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US2664700A
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US2668026A
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US2693079A
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US2708081A
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US2692475A
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US2738147A
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US2774554A
Cited
FR1063718A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-05 | 1964-01-04 | 1964-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-05 | 1968-01-04 | 1968-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-05 | 1972-01-04 | 1972-07-05 | $7700.00 | Window Closed / Lapsed |