Patent US3236767A successfully refreshed from Google Patents.
US3236767A
Expired / Lapsed
US
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Waste treatment process
Assignee: Amcodyne and Co
•
Filing: 1963-05-16
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Granted: 1966-02-22
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Expires: 1983-05-16
Abstract
No abstract record available.
Inventors
- 👤 David S Ross
- 👤 Gene W Ross
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:47
CPC Classifications
C; C02; C02F; C02F3/00; C02F3/02; C02F3/12; C02F3/20; Y; Y02; Y02W; Y02W10/00; Y02W10/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
146 words
IN A WASTE TREATMENT PROCESS, THE IMPROVED METHOD OF AERATING WASTE CONTAINING LIQUOR IN AN ELONGATED GENERALLY RECTANGULAR AERATION TANK HAVING A BOTTOM AND OPPOSED VERTICAL SIDE WALLS WITHOUT THE SETTLING OF WASTE PARTICLES FROM THE WASTE CONTAINING LIQUOR WITHIN THE TANK, COMPRISING THE STEPS OF: INTRODUCING WASTE CONTAINING LIQUOR ADJACENT TO ONE END OF THE TANK; INTRODUCING ACTIVATED SLUDGE INTO THE TANK AT SAID ONE END OF THE TANK TO PROVIDE AN ADMIXTURE OF WASTE CONTAINING LIQUOR AND ACTIVATED SLUDGE; CRATING A CONTINUOUS CIRCUITOUS FLOW PATH FOR THE WASTE PARTICLES OF THE ADMIXTURE FROM SAID ONE END OF THE TANK TO THE OPPOSITE END OF THE TANK WHICH IS UNOBSTRUCTED IN ANY LONGITUDINAL VERTICAL PLANE THROUGH THE TANK AND WHICH IS GENERALLY A FIGURE EIGHT PATTERN TRANSVERSELY OF THE TANK THROUGH ANY TRANSVERSE PLANE OF THE TANK BY INJECTING AND ENTRAINING FINELY DIVIDED BUBBLES OF
Claim 2
Dependent Claim
146 words
IN A WASTE TREATMENT PROCESS, THE IMPROVED METHOD OF AERATING WASTE CONTAINING LIQUOR IN AN ELONGATED GENERALLY RECTANGULAR AERATION TANK HAVING A BOTTOM AND OPPOSED VERTICAL SIDE WALLS WITHOUT THE SETTLING OF WASTE PARTICLES FROM THE WASTE CONTAINING LIQUOR WITHIN THE TANK, COMPRISING THE STEPS OF: INTRODUCING WASTE CONTAINING LIQUOR ADJACENT TO ONE END OF THE TANK; INTRODUCING ACTIVATED SLUDGE INTO THE TANK AT SAID ONE END OF THE TANK TO PROVIDE AN ADMIXTURE OF WASTE CONTAINING LIQUOR AND ACTIVATED SLUDGE; CRATING A CONTINUOUS CIRCUITOUS FLOW PATH FOR THE WASTE PARTICLES OF THE ADMIXTURE FROM SAID ONE END OF THE TANK TO THE OPPOSITE END OF THE TANK WHICH IS UNOBSTRUCTED IN ANY LONGITUDINAL VERTICAL PLANE THROUGH THE TANK AND WHICH IS GENERALLY A FIGURE EIGHT PATTERN TRANSVERSELY OF THE TANK THROUGH ANY TRANSVERSE PLANE OF THE TANK BY INJECTING AND ENTRAINING FINELY DIVIDED BUBBLES OF
References Cited (Backward Citations)
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US2071591A
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US2100521A
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US2126228A
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US2479403A
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US2650810A
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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) | 1969-02-21 | 1969-08-23 | 1970-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-21 | 1973-08-23 | 1974-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-21 | 1977-08-23 | 1978-02-22 | $7700.00 | Window Closed / Lapsed |