Patent US3541789A successfully refreshed from Google Patents.
US3541789A
Expired / Lapsed
US
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Gas turbine engine deceleration control apparatus
Assignee: ZF International UK Ltd
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Filing: 1968-06-06
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Granted: 1970-11-24
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Expires: 1988-06-06
Abstract
No abstract record available.
Inventors
- 👤 Denis Gascoigne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 08:37
CPC Classifications
F; F02; F02C; F02C9/00; F02C9/26; F02C9/32
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2422808A
Cited
US2440566A
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US2674847A
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US2971339A
Cited
US2950597A
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US3074472A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-23 | 1974-05-25 | 1974-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-23 | 1978-05-25 | 1978-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-23 | 1982-05-25 | 1982-11-24 | $7700.00 | Window Closed / Lapsed |