Patent US2914941A successfully refreshed from Google Patents.
US2914941A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High-speed wind tunnels
Assignee: Safran Aircraft Engines SAS
•
Filing: 1954-11-30
•
Granted: 1959-12-01
•
Expires: 1974-11-30
Abstract
No abstract record available.
Inventors
- 👤 Frenzl Otto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:33
CPC Classifications
G; G01; G01M; G01M9/00; G01M9/02; G01M9/04
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1751719A
Cited
US2268656A
Cited
US2519531A
Cited
US2515069A
Cited
GB638052A
Cited
GB670930A
Cited
US2744410A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-30 | 1963-06-01 | 1963-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-30 | 1967-06-01 | 1967-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-30 | 1971-06-01 | 1971-12-01 | $7700.00 | Window Closed / Lapsed |