Patent US3387788A successfully refreshed from Google Patents.
US3387788A
Expired / Lapsed
US
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Exhaust nozzles
Assignee: Rolls Royce PLC
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Filing: 1966-02-17
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Granted: 1968-06-11
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Expires: 1986-02-17
Abstract
No abstract record available.
Inventors
- 👤 Brown David Morris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:46
CPC Classifications
F; F02; F02K; F02K1/00; F02K1/52; F02K1/06; F02K1/08; F02K1/12; F02K1/1215; F02K1/1223
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2976676A
Cited
US2780056A
Cited
US2972226A
Cited
US2999354A
Cited
US2926491A
Cited
US3048973A
Cited
US3046730A
Cited
US3157027A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-06-11 | 1971-12-11 | 1972-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-11 | 1975-12-11 | 1976-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-11 | 1979-12-11 | 1980-06-11 | $7700.00 | Window Closed / Lapsed |