Patent US2988878A successfully refreshed from Google Patents.
US2988878A
Expired / Lapsed
US
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Fuel nozzle for bypass engine
Assignee: RTX Corp
•
Filing: 1958-07-14
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Granted: 1961-06-20
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Expires: 1978-07-14
Abstract
No abstract record available.
Inventors
- 👤 Philip S Hopper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 11:32
CPC Classifications
F; F23; F23R; F23R3/00; F23R3/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2847821A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-06-19 | 1964-12-19 | 1965-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-19 | 1968-12-19 | 1969-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-19 | 1972-12-19 | 1973-06-20 | $7700.00 | Window Closed / Lapsed |