US3202285A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sewage treatment structures
Assignee: Individual
•
Filing: 1961-08-08
•
Granted: 1965-08-24
•
Expires: 1981-08-08
Abstract
No abstract record available.
Inventors
- 👤 Frederick P Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:26
CPC Classifications
C; C02; C02F; C02F3/00; C02F3/02; C02F3/12; C02F3/1236; C02F3/1242; C02F3/30; Y; Y02; Y02W; Y02W10/00; Y02W10/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
171 words
STRUCTURE FOR AEROBIC BACTERIA TREATMENT OF SEWAGE COMPRISING A CONTAINER PROVIDED WITH AN INLET PASSAGE AND AN OUTLET PASSAGE, PARTITION MEMBER, THE PARTITION MEMBER SEPARATING THE CONTAINER INTO TWO COMPARTMENTS, THERE BEING A FIRST COMPARTMENT AND A SECOND COMPARTMENT, THE INLET PASSAGE BEING IN COMMUNICATION WITH THE FIRST COMPARTMENT AND THE OUTLET PASSAGE BEING IN COMMUNICATION WITH THE SECOND COMPARTMENT, A GAS DIFFUSER AT THE BOTTOM OF THE FIRST COMPARTMENT FROM WHICH GAS IS FORCED OUTWARDLY, A FIRST BAFFLE AND A SECOND BAFFLE WITHIN THE SECOND COMPARTMENT, THE FIRST BAFFLE BEING SUBSTANTIALLY VERTICAL, THE SECOND BAFFLE BEING ANGULARLY INCLINED AND DISPOSED BELOW THE FIRST BAFFLE AND SPACED THEREFROM, THERE BEING A PASSAGE BETWEEN THE SECOND BAFFLE AND THE BOTTOM OF THE SECOND COMPARTMENT, THE PARTITION MEMBER HAVING AN OPENING THERETHROUGH FOR MOVEMENT OF MATERIAL FROM ONE COMPARTMENT TO THE OTHER COMPARTMENT, A GAS DIFFUSER BELOW THE SECOND BAFFLE, AND A SCUM CONDUIT EXTENDING FROM AN UPPER PORTION OF THE SECOND COMPARTMENT TO THE GAS DIFFUSER WHICH IS BELOW THE SECOND BAFFLE.
Claim 2
Dependent Claim
171 words
STRUCTURE FOR AEROBIC BACTERIA TREATMENT OF SEWAGE COMPRISING A CONTAINER PROVIDED WITH AN INLET PASSAGE AND AN OUTLET PASSAGE, PARTITION MEMBER, THE PARTITION MEMBER SEPARATING THE CONTAINER INTO TWO COMPARTMENTS, THERE BEING A FIRST COMPARTMENT AND A SECOND COMPARTMENT, THE INLET PASSAGE BEING IN COMMUNICATION WITH THE FIRST COMPARTMENT AND THE OUTLET PASSAGE BEING IN COMMUNICATION WITH THE SECOND COMPARTMENT, A GAS DIFFUSER AT THE BOTTOM OF THE FIRST COMPARTMENT FROM WHICH GAS IS FORCED OUTWARDLY, A FIRST BAFFLE AND A SECOND BAFFLE WITHIN THE SECOND COMPARTMENT, THE FIRST BAFFLE BEING SUBSTANTIALLY VERTICAL, THE SECOND BAFFLE BEING ANGULARLY INCLINED AND DISPOSED BELOW THE FIRST BAFFLE AND SPACED THEREFROM, THERE BEING A PASSAGE BETWEEN THE SECOND BAFFLE AND THE BOTTOM OF THE SECOND COMPARTMENT, THE PARTITION MEMBER HAVING AN OPENING THERETHROUGH FOR MOVEMENT OF MATERIAL FROM ONE COMPARTMENT TO THE OTHER COMPARTMENT, A GAS DIFFUSER BELOW THE SECOND BAFFLE, AND A SCUM CONDUIT EXTENDING FROM AN UPPER PORTION OF THE SECOND COMPARTMENT TO THE GAS DIFFUSER WHICH IS BELOW THE SECOND BAFFLE.
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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) | 1968-08-23 | 1969-02-22 | 1969-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-23 | 1973-02-22 | 1973-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-23 | 1977-02-22 | 1977-08-24 | $7700.00 | Window Closed / Lapsed |