US2920448A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for imparting rapid speed to a mass of fluid
Assignee: Sebac Nouvelle SA
•
Filing: 1956-07-17
•
Granted: 1960-01-12
•
Expires: 1976-07-17
Abstract
No abstract record available.
Inventors
- 👤 Coanda Henri
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:13
CPC Classifications
F; F02; F02K; F02K7/00; F02K7/10; F02K7/12
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
CA522244A
Cited
US1405482A
Cited
US1874314A
Cited
US2052869A
Cited
US2379436A
Cited
US2502332A
Cited
US2542953A
Cited
GB746377A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-01-11 | 1963-07-13 | 1964-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-01-11 | 1967-07-13 | 1968-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-01-11 | 1971-07-13 | 1972-01-12 | $7700.00 | Window Closed / Lapsed |