US2570629A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable pipe for the intake of air and expansion of the driving gases in reactionjet propellers for projectiles and vehicles
Assignee: Rateau SA
•
Filing: 1946-09-17
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Granted: 1951-10-09
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Expires: 1966-09-17
Abstract
No abstract record available.
Inventors
- 👤 Anxionnaz Rene
- 👤 Imbert Roger Jean
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:00
CPC Classifications
F; F02; F02K; F02K1/00; F02K1/06; F02K1/09; F02C; F02C7/00; F02C7/04; F02C7/042; F02K1/08; Y; Y10; Y10T; Y10T137/00; Y10T137/0536
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2024274A
Cited
FR779655A
Cited
FR50033E
Cited
US2501633A
Cited
US2402363A
Cited
US2418488A
Cited
US2460289A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-10-08 | 1955-04-09 | 1955-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-10-08 | 1959-04-09 | 1959-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-10-08 | 1963-04-09 | 1963-10-09 | $7700.00 | Window Closed / Lapsed |