Patent US2756008A successfully refreshed from Google Patents.
US2756008A
Expired / Lapsed
US
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Jet propelled aircraft with wingmounted jet engines
Assignee: Power Jets Research and Development Ltd
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Filing: 1954-04-07
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Granted: 1956-07-24
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Expires: 1974-04-07
Abstract
No abstract record available.
Inventors
- 👤 Davidson Ivor Macaulay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 12:17
CPC Classifications
F; F02; F02K; F02K1/00; F02K1/52; B; B64; B64C; B64C23/00; B64C3/00; B64C3/38; B64C3/385; B64D; B64D27/00; B64D27/02; B64D27/16; B64D27/18; F02K1/002; F02K1/006; B64C2230/00; B64C2230/04; B64C2230/16; Y; Y02; Y02T; Y02T50/00; Y02T50/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-07-24 | 1960-01-23 | 1960-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-07-24 | 1964-01-23 | 1964-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-07-24 | 1968-01-23 | 1968-07-24 | $7700.00 | Window Closed / Lapsed |