US2631976A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Septic tanks
Assignee: Individual
•
Filing: 1949-07-02
•
Granted: 1953-03-17
•
Expires: 1969-07-02
Abstract
No abstract record available.
Inventors
- 👤 Chester C Elliott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 20:00
CPC Classifications
C; C02; C02F; C02F3/00; C02F3/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
A CLOSED CHAMBER ADAPTED TO BE INSERTED INTO A SEPTIC TANK IN THE LOWER AREA OF SAID TANK, SAID TANK HAVING AN INLET AND AN OUTLET PIPE ADJACENT THE TOP THEREOF; SAID CHAMBER HAVING MEANS INCLUDING A PLURALITY OF CONDUITS AND A BAFFLE PLATE TO COMPEL THE WATER IN THE TANK TO BE CIRCULATED FROM AN AREA BELOW THE WATER LINE IN THE TANK, DOWNWARDLY INTO ONE END OF SAID CHAMBER, THROUGH SAID CHAMBER FROM ONE END TO THE OTHER END THEREOF AND BACK TO ANOTHER AREA OF SAID ONE END, AND THENCE UPWARDLY DIRECTLY TO SAID OUTLET PIPE.
Claim 2
Dependent Claim
99 words
A CLOSED CHAMBER ADAPTED TO BE INSERTED INTO A SEPTIC TANK IN THE LOWER AREA OF SAID TANK, SAID TANK HAVING AN INLET AND AN OUTLET PIPE ADJACENT THE TOP THEREOF; SAID CHAMBER HAVING MEANS INCLUDING A PLURALITY OF CONDUITS AND A BAFFLE PLATE TO COMPEL THE WATER IN THE TANK TO BE CIRCULATED FROM AN AREA BELOW THE WATER LINE IN THE TANK, DOWNWARDLY INTO ONE END OF SAID CHAMBER, THROUGH SAID CHAMBER FROM ONE END TO THE OTHER END THEREOF AND BACK TO ANOTHER AREA OF SAID ONE END, AND THENCE UPWARDLY DIRECTLY TO SAID OUTLET PIPE.
References Cited (Backward Citations)
US924285A
Cited
US1101106A
Cited
US1695781A
Cited
US2195408A
Cited
US2078260A
Cited
US2440762A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-16 | 1956-09-15 | 1957-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-16 | 1960-09-15 | 1961-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-16 | 1964-09-15 | 1965-03-17 | $7700.00 | Window Closed / Lapsed |