US2673181A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Slurry type liquid treating apparatus
Assignee: Infilco Inc
•
Filing: 1951-02-26
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Granted: 1954-03-23
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Expires: 1971-02-26
Abstract
No abstract record available.
Inventors
- 👤 Walter J Hughes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:54
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/52; C02F1/5281
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
135 words
A SLURRY TYPE LIQUID TREATING APPARATUS COMPRISING A TANK HAVING A SUBSTANTIALLY FLAT BOTTOM AND AN UPSTANDING WALL, AN OVERFLOW FROM AN UPPER PORTION OF SAID TANK, MEANS FOR WITHDRAWING SOLIDS FROM A LOWER PORTION OF SAID TANK A MIXING AND REACTION CHAMBER AXIALLY ALIGNED IN SAID TANK, SAID MIXING AND REACTION CHAMBER HAVING A FLOOR SPACED ABOVE THE BOTTOM OF THE TANK AND A WALL RISING FROM SAID FLOOR, A ROTOR IN SAID CHAMBER, INLET MEANS FOR LIQUID TO BE TREATED AND FOR ANY REAGENT USED IN THE TREATMENT DISCHARGING INTO SAID MIXING AND REACTION CHAMBER, SAID FLOOR HAVING AN APERTURED CENTRAL PORTION AFFORDING COMMUNICATION BETWEEN THE LOWER PART OF SAID TANK AND SAID MIXING AND REACTION CHAMBER, A HOLLOW ARM SEALED TO THE WALL OF SAID MIXING AND REACTION CHAMBER AND EXTENDING OUT-
Claim 2
Dependent Claim
135 words
A SLURRY TYPE LIQUID TREATING APPARATUS COMPRISING A TANK HAVING A SUBSTANTIALLY FLAT BOTTOM AND AN UPSTANDING WALL, AN OVERFLOW FROM AN UPPER PORTION OF SAID TANK, MEANS FOR WITHDRAWING SOLIDS FROM A LOWER PORTION OF SAID TANK A MIXING AND REACTION CHAMBER AXIALLY ALIGNED IN SAID TANK, SAID MIXING AND REACTION CHAMBER HAVING A FLOOR SPACED ABOVE THE BOTTOM OF THE TANK AND A WALL RISING FROM SAID FLOOR, A ROTOR IN SAID CHAMBER, INLET MEANS FOR LIQUID TO BE TREATED AND FOR ANY REAGENT USED IN THE TREATMENT DISCHARGING INTO SAID MIXING AND REACTION CHAMBER, SAID FLOOR HAVING AN APERTURED CENTRAL PORTION AFFORDING COMMUNICATION BETWEEN THE LOWER PART OF SAID TANK AND SAID MIXING AND REACTION CHAMBER, A HOLLOW ARM SEALED TO THE WALL OF SAID MIXING AND REACTION CHAMBER AND EXTENDING OUT-
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-03-22 | 1957-09-21 | 1958-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-22 | 1961-09-21 | 1962-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-22 | 1965-09-21 | 1966-03-23 | $7700.00 | Window Closed / Lapsed |