Patent US2213384A successfully refreshed from Google Patents.
US2867945A
Expired / Lapsed
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Process of photosynthetic conversion of organic waste by algal-bacterial symbiosis
Assignee: Individual
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Filing: 1955-10-19
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Granted: 1959-01-13
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Expires: 1975-10-19
Abstract
No abstract record available.
Inventors
- 👤 Harold B Gotaas
- 👤 William J Oswald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:27
CPC Classifications
C; C02; C02F; C02F3/00; C02F3/32; A; A01; A01G; A01G33/00; Y; Y02; Y02A; Y02A40/00; Y02A40/80; Y02W; Y02W10/00; Y02W10/30; Y02W10/37; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/946
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
64 words
A PROCESS OF PHOTOSYNTHETIC CONVERSION OF ORGANIC WASTE BY ALGAL-BACTERIAL SYMBIOSIS COMPRISING ESTABLISHING A POND OPEN TO THE AIR AND SUN, FLOWING BACTERIACONTAINING ORGANIC WASTE INTO SAID POND, SUPPLYING SAID POND WITH A PHOTOSYNTHETIC MICRO-ORGANISM, WITHDRAWING EFFLUENT FROM SAID POND AFTER AN AVERAGE DETENTION PERIOD THEREIN BASED UPON OXYGEN SUPPLIED BY SAID PHOTOSYNTHETIC MOCRO-ORGANISM, AND SEPARATING SAID EFFLUENT SUBSTANTIALLY INTO PHOTOSYNTHETIC ORGANISMS AND LIQUID.
Claim 2
Dependent Claim
64 words
A PROCESS OF PHOTOSYNTHETIC CONVERSION OF ORGANIC WASTE BY ALGAL-BACTERIAL SYMBIOSIS COMPRISING ESTABLISHING A POND OPEN TO THE AIR AND SUN, FLOWING BACTERIACONTAINING ORGANIC WASTE INTO SAID POND, SUPPLYING SAID POND WITH A PHOTOSYNTHETIC MICRO-ORGANISM, WITHDRAWING EFFLUENT FROM SAID POND AFTER AN AVERAGE DETENTION PERIOD THEREIN BASED UPON OXYGEN SUPPLIED BY SAID PHOTOSYNTHETIC MOCRO-ORGANISM, AND SEPARATING SAID EFFLUENT SUBSTANTIALLY INTO PHOTOSYNTHETIC ORGANISMS AND LIQUID.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-01-12 | 1962-07-14 | 1963-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-12 | 1966-07-14 | 1967-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-12 | 1970-07-14 | 1971-01-13 | $7700.00 | Window Closed / Lapsed |