Patent US2559704A successfully refreshed from Google Patents.
US2559704A
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US
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Sewage treatment
Assignee: Solomon R. Guggenheim Museum
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Filing: 1946-01-22
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Granted: 1951-07-10
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Expires: 1966-01-22
Abstract
No abstract record available.
Inventors
- 👤 John G Bevan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 02:46
CPC Classifications
C; C02; C02F; C02F3/00; C02F3/02; C02F3/08; C02F3/082; Y; Y02; Y02W; Y02W10/00; Y02W10/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
165 words
THE IMPROVEMENT IN THE TREATMENT OF SEWAGE CONTAINING SUSPENDED AND DISSOLVED PUTRESCIBLE MATTER WHICH COMPRISES FORMING A MATRIX CONTAINING OXIDIZING BACTERIA ON A SUITABLE SUPPORT, FLOWING SEWAGE TO BE PURIFIED THROUGH A SUITABLE RECEPTACLE, ALTERNATELY IMMERSING IN THE FLOWING SEWAGE AND EXPOSING TO THE ATMOSPHERE THE SUPPORT WITH THE MATRIX OF OXIDIZING BACTERIA THEREON TO ALTERNATELY PROVIDE FOOD AND OXYGEN TO PROMOTE THE GROWTH AND PROPAGATION OF THE BACTERIA AND TO EFFECT THE REMOVAL OF DISSOLVED PUTRESCIBLE MATTER AND THE PRODUCTION OF A SETTLEABLE SLUDGE CONTAINING SUSPENDED PUTRESCIBLE MATTER ORIGINALLY PRESENT IN THE SEWAGE, THE TIMES AND RATES OF IMMERSION IN THE SEWAGE AND EXPOSURE TO THE ATMOSPHERE BEING SUCH AS TO PERMIT THE MAINTENANCE ON THE SUPPORT OF A SUITABLE MATRIX OF OXIDIZING BACTERIA, THE TIME OF EACH EXPOSURE TO THE ATMOSPHERE BEING NOT LONGER THAN ABOUT FIVE SECONDS AND THE TIME OF EACH IMMERSION IN THE SEWAGE BEING NOT LONGER THAN ABOUT SEVEN SECONDS, AND SEPARATING THE SETTLEABLE SLUDGE FROM THE ACCOMPANYING LIQUOR.
Claim 2
Dependent Claim
165 words
THE IMPROVEMENT IN THE TREATMENT OF SEWAGE CONTAINING SUSPENDED AND DISSOLVED PUTRESCIBLE MATTER WHICH COMPRISES FORMING A MATRIX CONTAINING OXIDIZING BACTERIA ON A SUITABLE SUPPORT, FLOWING SEWAGE TO BE PURIFIED THROUGH A SUITABLE RECEPTACLE, ALTERNATELY IMMERSING IN THE FLOWING SEWAGE AND EXPOSING TO THE ATMOSPHERE THE SUPPORT WITH THE MATRIX OF OXIDIZING BACTERIA THEREON TO ALTERNATELY PROVIDE FOOD AND OXYGEN TO PROMOTE THE GROWTH AND PROPAGATION OF THE BACTERIA AND TO EFFECT THE REMOVAL OF DISSOLVED PUTRESCIBLE MATTER AND THE PRODUCTION OF A SETTLEABLE SLUDGE CONTAINING SUSPENDED PUTRESCIBLE MATTER ORIGINALLY PRESENT IN THE SEWAGE, THE TIMES AND RATES OF IMMERSION IN THE SEWAGE AND EXPOSURE TO THE ATMOSPHERE BEING SUCH AS TO PERMIT THE MAINTENANCE ON THE SUPPORT OF A SUITABLE MATRIX OF OXIDIZING BACTERIA, THE TIME OF EACH EXPOSURE TO THE ATMOSPHERE BEING NOT LONGER THAN ABOUT FIVE SECONDS AND THE TIME OF EACH IMMERSION IN THE SEWAGE BEING NOT LONGER THAN ABOUT SEVEN SECONDS, AND SEPARATING THE SETTLEABLE SLUDGE FROM THE ACCOMPANYING LIQUOR.
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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) | 1954-07-09 | 1955-01-08 | 1955-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-09 | 1959-01-08 | 1959-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-09 | 1963-01-08 | 1963-07-10 | $7700.00 | Window Closed / Lapsed |