US3221889A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Effluent removal structure for settling tanks and reservoirs
Assignee: Individual
•
Filing: 1962-06-13
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Granted: 1965-12-07
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Expires: 1982-06-13
Abstract
No abstract record available.
Inventors
- 👤 Hirsch Abraham Adler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:39
CPC Classifications
B; B01; B01D; B01D21/00; B01D21/24; B01D21/2405; B01D21/2416; B01D21/003; B01D21/0036; B01D21/0039; B01D21/0042; B01D21/0087; B01D21/2444
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
122 words
THE COMBINATION IN A SETTLING TANK FOR REMOVING SUSPENDED SOLIDS FROM LIQUIDS CONTAINED THEREIN HAVING MEANS TO MAINTAIN A SURFACE THEREIN COMPRISING AN EFFLUENT REMOVAL MEANS, AN EFFLUENT BAFFLE MEANS DISPOSED IN SAID TANK IN ADVANCE OF AND IN PROXIMITY TO SAID REMOVAL MEANS, SAID BAFFLE MEANS SEPARATING SAID TANK INTO A SETTLING FIRST ZONE AND A SECOND ZONE WHICH IS ADJACENT SAID REMOVAL MEANS; SAID BAFFLE MEANS EXTENDING FROM SLIGHTLY ABOVE THE SURFACE OF SAID LIQUID TO ABOVE THE LEVEL OF SOLIDS SETTLED IN SAID TANK, SAID BAFFLE MEANS INCLUDING A PLURALITY OF PORT MEANS THROUGH WHICH SAID LIQUID PASSES FROM SAID FIRST ZONE TO SAID SECOND ZONE; SAID PORT MEANS HAVING OPENINGS LYING IN AN INCLINED SURFACE, SAID OPENINGS DIS-
Claim 2
Dependent Claim
122 words
THE COMBINATION IN A SETTLING TANK FOR REMOVING SUSPENDED SOLIDS FROM LIQUIDS CONTAINED THEREIN HAVING MEANS TO MAINTAIN A SURFACE THEREIN COMPRISING AN EFFLUENT REMOVAL MEANS, AN EFFLUENT BAFFLE MEANS DISPOSED IN SAID TANK IN ADVANCE OF AND IN PROXIMITY TO SAID REMOVAL MEANS, SAID BAFFLE MEANS SEPARATING SAID TANK INTO A SETTLING FIRST ZONE AND A SECOND ZONE WHICH IS ADJACENT SAID REMOVAL MEANS; SAID BAFFLE MEANS EXTENDING FROM SLIGHTLY ABOVE THE SURFACE OF SAID LIQUID TO ABOVE THE LEVEL OF SOLIDS SETTLED IN SAID TANK, SAID BAFFLE MEANS INCLUDING A PLURALITY OF PORT MEANS THROUGH WHICH SAID LIQUID PASSES FROM SAID FIRST ZONE TO SAID SECOND ZONE; SAID PORT MEANS HAVING OPENINGS LYING IN AN INCLINED SURFACE, SAID OPENINGS DIS-
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-06 | 1969-06-07 | 1969-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-06 | 1973-06-07 | 1973-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-06 | 1977-06-07 | 1977-12-07 | $7700.00 | Window Closed / Lapsed |