US2946667A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for controlling the rate of discharge of materials through an outlet
Assignee: Commissariat à l'Énergie Atomique et Aux Énergies Alternatives
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Filing: 1958-06-03
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Granted: 1960-07-26
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Expires: 1978-06-03
Abstract
No abstract record available.
Inventors
- 👤 Lara George Cohen De
- 👤 Georges Villeneuve Saint
- 👤 Hure Jacques
- 👤 Platzer Roger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 04:58
CPC Classifications
B; B03; B03B; B03B5/00; B03B5/62; B03B5/623; B01; B01D; B01D11/00; B01D11/02; B01D11/0215; B01D11/0223; B01D11/0242; B01D15/00; B01D15/02; B01J; B01J8/00; B01J8/0015; B01J8/003; B01J8/08; B01J8/12; B01D15/08; B01D15/10; B01D15/18; B01D15/1892; B01D2011/002
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
APPARATUS FOR CONTROLLING THE RATE OF FLOW OF SOLID MATERIALS CONTINUOUSLY CIRCULATED IN A LIQUID-SOLID COUNTERFLOW TREATING COLUMN, WHEREIN THE SOLID MATERIALS ARE INTRODUCED AT THE TOP OF THE TREATING ZONE PORTION OF SAID COLUMN AND WITHDRAWN AT THE BOTTOM THEREOF, WITH A LIQUID CIRCULATING IN SAID COLUMN PORTION IN COUNTERFLOW RELATION, SAID APPARATUS COMPRISING: AN ENCLOSURE POSITIONED BELOW SAID COLUMN PORTION, SIAD ENCLOSURE AND SAID TREATING ZONE BEING IN COMMUNICATION THROUGH AT LEAST ONE ORIFICE AT THE BOTTOM END OF SAID COLUMN PORTION FOR THE FLOW OF SOLIDS INTO SAID ENCLOSURE, SAID ENCLOSURE BEING PROVIDED WITH AN OUTLET FOR THE REMOVAL OF SAID SOLIDS, A
Claim 2
Dependent Claim
106 words
APPARATUS FOR CONTROLLING THE RATE OF FLOW OF SOLID MATERIALS CONTINUOUSLY CIRCULATED IN A LIQUID-SOLID COUNTERFLOW TREATING COLUMN, WHEREIN THE SOLID MATERIALS ARE INTRODUCED AT THE TOP OF THE TREATING ZONE PORTION OF SAID COLUMN AND WITHDRAWN AT THE BOTTOM THEREOF, WITH A LIQUID CIRCULATING IN SAID COLUMN PORTION IN COUNTERFLOW RELATION, SAID APPARATUS COMPRISING: AN ENCLOSURE POSITIONED BELOW SAID COLUMN PORTION, SIAD ENCLOSURE AND SAID TREATING ZONE BEING IN COMMUNICATION THROUGH AT LEAST ONE ORIFICE AT THE BOTTOM END OF SAID COLUMN PORTION FOR THE FLOW OF SOLIDS INTO SAID ENCLOSURE, SAID ENCLOSURE BEING PROVIDED WITH AN OUTLET FOR THE REMOVAL OF SAID SOLIDS, A
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-26 | 1964-01-25 | 1964-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-26 | 1968-01-25 | 1968-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-26 | 1972-01-25 | 1972-07-26 | $7700.00 | Window Closed / Lapsed |