US3103488A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process and apparatus for the treatment
Assignee: —
•
Filing: 1961-08-14
•
Granted: 1963-09-10
•
Expires: 1981-08-14
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:10
CPC Classifications
C; C02; C02F; C02F3/00; C02F3/02; C02F3/12; C02F3/1205; C02F3/121; C02F3/06; C02F3/1278; C02F3/1289; C02F3/26; Y; Y02; Y02W; Y02W10/00; Y02W10/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
APPARATUS FOR THE TREATMENT OF ORGANICALLY POLLUTED WASTE COMPRISING A TREATMENT TANK HAVING AN OUTLET FOR CLARIFIED LIQUID NEAR ITS TOP, AN OUTLET FOR THICKENED SLUDGE NEAR ITS BASE, AN INLET FOR AERATED SLUDGE ABOVE THE OUTLET FOR THICKENED SLUDGE AND REMOTE FROM THE OUTLET FOR CLARIFIED LIQUID, AND AN INLET FOR WASTE BETWEEN THE LEVEL OF THE OUTLET FOR THICKENED SLUDGE AND THE LEVEL OF THE INLET FOR AERATED SLUDGE, AND ALSO COMPRISING AN AERATION TANK TO WHICH THE OUTLET FOR THICKENED SLUDGE AND THE INLET FOR AERATED SLUDGE ARE CONNECTED FOR THE AERATION OF THE THICKENED SLUDGE AND ITS RETURN TO THE TREATMENT TANK, THE AERATION TANK BEING PROVIDED WITH AN OUTLET FOR EXCESS SLUDGE.
Claim 2
Dependent Claim
117 words
APPARATUS FOR THE TREATMENT OF ORGANICALLY POLLUTED WASTE COMPRISING A TREATMENT TANK HAVING AN OUTLET FOR CLARIFIED LIQUID NEAR ITS TOP, AN OUTLET FOR THICKENED SLUDGE NEAR ITS BASE, AN INLET FOR AERATED SLUDGE ABOVE THE OUTLET FOR THICKENED SLUDGE AND REMOTE FROM THE OUTLET FOR CLARIFIED LIQUID, AND AN INLET FOR WASTE BETWEEN THE LEVEL OF THE OUTLET FOR THICKENED SLUDGE AND THE LEVEL OF THE INLET FOR AERATED SLUDGE, AND ALSO COMPRISING AN AERATION TANK TO WHICH THE OUTLET FOR THICKENED SLUDGE AND THE INLET FOR AERATED SLUDGE ARE CONNECTED FOR THE AERATION OF THE THICKENED SLUDGE AND ITS RETURN TO THE TREATMENT TANK, THE AERATION TANK BEING PROVIDED WITH AN OUTLET FOR EXCESS SLUDGE.
References Cited (Backward Citations)
US2723231A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-09-09 | 1967-03-11 | 1967-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-09 | 1971-03-11 | 1971-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-09 | 1975-03-11 | 1975-09-10 | $7700.00 | Window Closed / Lapsed |