US3020709A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control means of the flow of a fluid by another flow
Assignee: Safran Aircraft Engines SAS
•
Filing: 1953-05-15
•
Granted: 1962-02-13
•
Expires: 1973-05-15
Abstract
No abstract record available.
Inventors
- 👤 Jean H Bertin
- 👤 Kadosch Marcel
- 👤 Francois M L Maunoury
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:40
CPC Classifications
F; F02; F02K; F02K1/00; F02K1/28; F02K1/32
Claims Analysis
Total Claims: 0
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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) | 1965-02-12 | 1965-08-14 | 1966-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-12 | 1969-08-14 | 1970-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-12 | 1973-08-14 | 1974-02-13 | $7700.00 | Window Closed / Lapsed |