US2935246A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shock wave compressors, especially for use in connection with continuous flow engines for aircraft
Assignee: Office National d'Études et de Recherches Aérospatiales
•
Filing: 1950-06-01
•
Granted: 1960-05-03
•
Expires: 1970-06-01
Abstract
No abstract record available.
Inventors
- 👤 Roy Maurice
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:18
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/66; F04D29/68; F04D29/681; F01; F01D; F01D5/00; F01D5/12; F01D5/14; F01D5/141; F01D5/146; F04D19/00; F04D19/02; F04D19/024; F04D21/00; F04D29/682; F04D29/684; F05; F05D; F05D2240/00; F05D2240/20; F05D2240/30; F05D2240/302; F05D2250/00; F05D2250/70; Y; Y02; Y02T; Y02T50/00; Y02T50/60
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US853363A
Cited
US2201099A
Cited
GB479427A
Cited
US2166823A
Cited
US2378372A
Cited
US2405768A
Cited
US2344835A
Cited
US2406499A
Cited
US2435236A
Cited
US2628768A
Cited
US2597510A
Cited
US2501614A
Cited
US2659528A
Cited
US2579049A
Cited
US2689681A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-03 | 1963-11-02 | 1964-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-03 | 1967-11-02 | 1968-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-03 | 1971-11-02 | 1972-05-03 | $7700.00 | Window Closed / Lapsed |