US2720752A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Turbo-jet engine control
Assignee: Niles Bement Pond Co
•
Filing: 1950-02-10
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Granted: 1955-10-18
•
Expires: 1970-02-10
Abstract
No abstract record available.
Inventors
- 👤 Milton E Chandler
- 👤 Alexander M Wright
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:03
CPC Classifications
F; F02; F02C; F02C9/00; F02C9/26; F02C9/32; F02C9/28; F02K; F02K1/00; F02K1/06; F02K1/15; F05; F05D; F05D2270/00; F05D2270/30; F05D2270/301
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2412289A
Cited
US2429005A
Cited
US2560118A
Cited
FR920524A
Cited
US2508260A
Cited
US2538582A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-10-17 | 1959-04-18 | 1959-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-10-17 | 1963-04-18 | 1963-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-10-17 | 1967-04-18 | 1967-10-18 | $7700.00 | Window Closed / Lapsed |