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US2986343A
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Arrangement for the equal distribution of the throughput of a mixture of solids and fluids in a vertical pipe
Assignee: Institut de Recherches de la Siderurgie Francaise IRSID
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Filing: 1958-02-19
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Granted: 1961-05-30
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Expires: 1978-02-19
Abstract
No abstract record available.
Inventors
- 👤 Trentini Bernard
- 👤 Lara Georges Cohen De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:30
CPC Classifications
B; B01; B01F; B01F25/00; B01F25/10; B01F25/104; B01F25/1041; B01F35/00; B01F35/75; B01F35/753
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE211815C
Cited
DE278858C
Cited
GB190716917A
Cited
GB191025301A
Cited
GB650589A
Cited
US2618541A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-29 | 1964-11-28 | 1965-05-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-29 | 1968-11-28 | 1969-05-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-29 | 1972-11-28 | 1973-05-30 | $7700.00 | Window Closed / Lapsed |