US2653907A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sewage recirculation
Assignee: Individual
•
Filing: 1948-12-06
•
Granted: 1953-09-29
•
Expires: 1968-12-06
Abstract
No abstract record available.
Inventors
- 👤 Griffith Llewellyn Brooks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:18
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/006; C02F3/00; C02F3/02; C02F3/04; C02F3/06; C02F3/12; C02F3/22; C02F3/223; Y; Y02; Y02W; Y02W10/00; Y02W10/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
160 words
A SEWAGE TREATMENT TANK HAVING AN ENTRANCE, AN EXIT, AND A SLUDGE RECEIVING PORTION AN AERATION CHAMBER ABOVE THE SLUDGE RECEIVING PORTION POSITIONED TO ONE SIDE OF THE TANK, A SETTLING CHAMBER PARALLEL TO THE AERATION CHAMBER AND LOCATED IN THE OTHER SIDE OF THE TANK, A VERTICAL BAFFLE TRANSVERSE OF TH DIRECTION OF FLOW OF THE SEWEGE EXENDING FROM SIDE TO SIDE OF THE TANK AND RISING ABOVE THE WATER LEVEL TO SEPARATE THE AERATION CHAMBER FROM THE SETTLING CHAMBER, MEANS FOR PASSING AIR BUBBLES THRU THE AERATION CHAMBER, AND A SLOPING DEFLECTOR ABOVE THE SETTLED SLUDGE AND BENEATH THE EDGE OF THE VERTICAL BAFFLE ADJACENT FROM THE SETTLED SLUDGE THRU THE AERATION BUBBLES FROM THE SETTLED SLUDGE THRU THE AERATION CHAMBER, WHEREBY TO PREVENT THE GAS BUBLES FROM CARRYING SEPTIC SLUDGE FROM THE SETTING CHAMBER TO THE EXIT OF THE TANK, THUS PREVENTING POLLUTION OF THE TREATED EFFLUENT BY THE SEPTIC SLUDGE PARTICLES CARRIED BY THE GAS BUBBLES.
Claim 2
Dependent Claim
160 words
A SEWAGE TREATMENT TANK HAVING AN ENTRANCE, AN EXIT, AND A SLUDGE RECEIVING PORTION AN AERATION CHAMBER ABOVE THE SLUDGE RECEIVING PORTION POSITIONED TO ONE SIDE OF THE TANK, A SETTLING CHAMBER PARALLEL TO THE AERATION CHAMBER AND LOCATED IN THE OTHER SIDE OF THE TANK, A VERTICAL BAFFLE TRANSVERSE OF TH DIRECTION OF FLOW OF THE SEWEGE EXENDING FROM SIDE TO SIDE OF THE TANK AND RISING ABOVE THE WATER LEVEL TO SEPARATE THE AERATION CHAMBER FROM THE SETTLING CHAMBER, MEANS FOR PASSING AIR BUBBLES THRU THE AERATION CHAMBER, AND A SLOPING DEFLECTOR ABOVE THE SETTLED SLUDGE AND BENEATH THE EDGE OF THE VERTICAL BAFFLE ADJACENT FROM THE SETTLED SLUDGE THRU THE AERATION BUBBLES FROM THE SETTLED SLUDGE THRU THE AERATION CHAMBER, WHEREBY TO PREVENT THE GAS BUBLES FROM CARRYING SEPTIC SLUDGE FROM THE SETTING CHAMBER TO THE EXIT OF THE TANK, THUS PREVENTING POLLUTION OF THE TREATED EFFLUENT BY THE SEPTIC SLUDGE PARTICLES CARRIED BY THE GAS BUBBLES.
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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) | 1956-09-28 | 1957-03-30 | 1957-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-28 | 1961-03-30 | 1961-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-28 | 1965-03-30 | 1965-09-29 | $7700.00 | Window Closed / Lapsed |