Patent EP0374892A2 successfully refreshed from Google Patents.
US3403554A
Expired / Lapsed
US
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Device for the study of bubble flow within a pipe
Assignee: Commissariat à l'Énergie Atomique et Aux Énergies Alternatives
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Filing: 1965-08-24
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Granted: 1968-10-01
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Expires: 1985-08-24
Abstract
No abstract record available.
Inventors
- 👤 Chevalier Henri
- 👤 Lakme Claude
- 👤 Max Jacques
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 01:46
CPC Classifications
G; G21; G21C; G21C17/00; G21C17/02; G21C17/022; G01; G01F; G01F1/00; G01F1/704; G01N; G01N15/00; G01N15/10; G01N15/1031; G01N15/12; G01P; G01P3/00; G01P3/64; G01P3/80; G01P3/803; G01N2015/0007; G01N2015/0011; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2594668A
Cited
US2683986A
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GB730598A
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US2719287A
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US3145025A
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US3248941A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-01 | 1972-04-01 | 1972-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-01 | 1976-04-01 | 1976-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-01 | 1980-04-01 | 1980-10-01 | $7700.00 | Window Closed / Lapsed |