US3188288A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for controlling the microbe and solid materials in sewage treatment equipment
Assignee: Smith and Loveless Inc
•
Filing: 1962-03-12
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Granted: 1965-06-08
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Expires: 1982-03-12
Abstract
No abstract record available.
Inventors
- 👤 Smith Burks Alden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:13
CPC Classifications
C; C02; C02F; C02F3/00; C02F3/02; C02F3/04; C02F3/34; Y; Y02; Y02W; Y02W10/00; Y02W10/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
171 words
A METHOD OF RETAINING SUFFICIENT SOLID ORGANIC MATERIAL IN A SEWAGE TREATING SYSTEM TO ENHANCE THE GROWTH RATE OF LIVING ORGANISMS CAPABLE OF ABSTRACTING SUBSTANCES FROM SAID SOLID ORGANIC MATERIAL AND MAINTAIN THE ORGANISM POPULATION AT A MAXIMUM LEVEL, SAID METHOD COMPRISING THE STEPS OF: (A) CONFINING A QUANTITY OF THE SEWAGE; (B) IMPINGING DIRECTLY ON THE SURFACE OF A MECHANICAL FILTER SCREEN HAVING OPENINGS OF A SIZE BETWEEN ABOUT 1 TO 150 MICRONS IN THE DISCHARGE LIQUID FLOW FROM SAID SYSTEM, SOLID ORGANIC MATERIAL AND ORGANISMS IN SUCH SIZE RANGE; (C) MOVING AT LEAST A PORTION OF SAID FILTER ABOVE THE UPPER SURFACE OF SAID LIQUID SO AS TO ELEVATE THE IMPINGED SOLID ORGANIC MATERIAL AND ORGANISMS ABOVE SAID CONFINED SEWAGE; (D) CONTINUOUSLY CLEANING DOWN TO THE BARE SURFACE OF SAID FILTER BY REMOVING SUBSTANTIALLY ALL OF THE ELEVATED-IMPINGED SOLID ORGANIC MATERIAL AND ORGANISMS THEREFROM (E) RETURNING THE THUS REMOVED SOLID ORGANIC MATERIAL AND ORGANISMS TO SAID CONFINED SEWAGE; AND (F) SEQUENTIALLY REPEATING STEPS (B) THROUGH (E) AS DEFINED ABOVE.
Claim 2
Independent Claim
171 words
A METHOD OF RETAINING SUFFICIENT SOLID ORGANIC MATERIAL IN A SEWAGE TREATING SYSTEM TO ENHANCE THE GROWTH RATE OF LIVING ORGANISMS CAPABLE OF ABSTRACTING SUBSTANCES FROM SAID SOLID ORGANIC MATERIAL AND MAINTAIN THE ORGANISM POPULATION AT A MAXIMUM LEVEL, SAID METHOD COMPRISING THE STEPS OF: (A) CONFINING A QUANTITY OF THE SEWAGE; (B) IMPINGING DIRECTLY ON THE SURFACE OF A MECHANICAL FILTER SCREEN HAVING OPENINGS OF A SIZE BETWEEN ABOUT 1 TO 150 MICRONS IN THE DISCHARGE LIQUID FLOW FROM SAID SYSTEM, SOLID ORGANIC MATERIAL AND ORGANISMS IN SUCH SIZE RANGE; (C) MOVING AT LEAST A PORTION OF SAID FILTER ABOVE THE UPPER SURFACE OF SAID LIQUID SO AS TO ELEVATE THE IMPINGED SOLID ORGANIC MATERIAL AND ORGANISMS ABOVE SAID CONFINED SEWAGE; (D) CONTINUOUSLY CLEANING DOWN TO THE BARE SURFACE OF SAID FILTER BY REMOVING SUBSTANTIALLY ALL OF THE ELEVATED-IMPINGED SOLID ORGANIC MATERIAL AND ORGANISMS THEREFROM (E) RETURNING THE THUS REMOVED SOLID ORGANIC MATERIAL AND ORGANISMS TO SAID CONFINED SEWAGE; AND (F) SEQUENTIALLY REPEATING STEPS (B) THROUGH (E) AS DEFINED ABOVE.
References Cited (Backward Citations)
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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) | 1968-06-07 | 1968-12-07 | 1969-06-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-07 | 1972-12-07 | 1973-06-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-07 | 1976-12-07 | 1977-06-08 | $7700.00 | Window Closed / Lapsed |