US3265370A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Packaged unit water aeration and filtration apparatus
Assignee: General Filter Co
•
Filing: 1965-10-12
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Granted: 1966-08-09
•
Expires: 1985-10-12
Abstract
No abstract record available.
Inventors
- 👤 John J Scholten
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:43
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/58; C02F1/62; C02F1/64; C02F1/645
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
153 words
PACKAGED UNIT WATER FILTRATION AND AERATION APPARATUS, COMPRISING IN UNITARY COMBINATION AN ELONGATED, VERTICALLY-EXTENDING TANK PROVIDING AN AERATION SECTION IN THE UPPER PORTION THEREOF AND A WATER DETENTION SECTION THEREBENEATH, CONDUIT MEANS INCLUDING INLET MEANS FOR SUPPLYING THE WATER TO BE TREATED TO SAID TANK AT A POINT ABOVE SAID AERATION SECTION SO THAT THE WATER FALLS DOWNWARDLY THROUGH SAID AERATION SECTION, MEANS FOR INTRODUCING AIR INTO SAID TANK BENEATH SAID AERATION SECTION, BLOWER MEANS FOR CAUSING SAID AIR TO FLOW UPWARDLY THROUGH SAID AERATION SECTION AND INCLUDING MEANS FOR DISCHARGING AIR FROM SAID TANK AT A POINT ABOVE SAID AERATION SECTION, A SECOND TANK DISPOSED BELOW THE UPPER PORTION OF THE SAID DETENTION SECTION OF SAID FIRST-MENTIONED TANK, SAID SECOND TANK BEING EQUIPPED WITH PARTITION MEANS FOR PROVIDING A PLURALITY OF FILTER CELLS FOR RECEIVING A FILTRATION MEDIUM, THE SAID WATER DETENTION SECTION OF SAID FIRST-MENTIONED TANK EXTENDING TO A LEVEL SUBSTANTIALLY
Claim 2
Dependent Claim
153 words
PACKAGED UNIT WATER FILTRATION AND AERATION APPARATUS, COMPRISING IN UNITARY COMBINATION AN ELONGATED, VERTICALLY-EXTENDING TANK PROVIDING AN AERATION SECTION IN THE UPPER PORTION THEREOF AND A WATER DETENTION SECTION THEREBENEATH, CONDUIT MEANS INCLUDING INLET MEANS FOR SUPPLYING THE WATER TO BE TREATED TO SAID TANK AT A POINT ABOVE SAID AERATION SECTION SO THAT THE WATER FALLS DOWNWARDLY THROUGH SAID AERATION SECTION, MEANS FOR INTRODUCING AIR INTO SAID TANK BENEATH SAID AERATION SECTION, BLOWER MEANS FOR CAUSING SAID AIR TO FLOW UPWARDLY THROUGH SAID AERATION SECTION AND INCLUDING MEANS FOR DISCHARGING AIR FROM SAID TANK AT A POINT ABOVE SAID AERATION SECTION, A SECOND TANK DISPOSED BELOW THE UPPER PORTION OF THE SAID DETENTION SECTION OF SAID FIRST-MENTIONED TANK, SAID SECOND TANK BEING EQUIPPED WITH PARTITION MEANS FOR PROVIDING A PLURALITY OF FILTER CELLS FOR RECEIVING A FILTRATION MEDIUM, THE SAID WATER DETENTION SECTION OF SAID FIRST-MENTIONED TANK EXTENDING TO A LEVEL SUBSTANTIALLY
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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) | 1969-08-08 | 1970-02-07 | 1970-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-08 | 1974-02-07 | 1974-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-08 | 1978-02-07 | 1978-08-09 | $7700.00 | Window Closed / Lapsed |