Patent US2947501A successfully refreshed from Google Patents.
US2947501A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Jet deflectors for aircraft
Assignee: Power Jets Research and Development Ltd
•
Filing: 1953-10-12
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Granted: 1960-08-02
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Expires: 1973-10-12
Abstract
No abstract record available.
Inventors
- 👤 Flint John Avery
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:13
CPC Classifications
F; F02; F02K; F02K1/00; F02K1/002; B; B64; B64C; B64C23/00; B64C23/005; B64C29/00; B64C29/0008; B64C29/0041; B64C29/0066; B64C29/0091
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US443326A
Cited
US567011A
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US913632A
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US1585281A
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US1672266A
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US1714917A
Cited
US1763350A
Cited
US2601104A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-02 | 1964-02-01 | 1964-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-02 | 1968-02-01 | 1968-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-02 | 1972-02-01 | 1972-08-02 | $7700.00 | Window Closed / Lapsed |