US2709680A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sewage disposal apparatus
Assignee: Youngstown Welding and Engineering Co
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Filing: 1951-06-02
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Granted: 1955-05-31
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Expires: 1971-06-02
Abstract
No abstract record available.
Inventors
- 👤 Frank C Watson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:11
CPC Classifications
C; C02; C02F; C02F9/00; C02F1/00; C02F1/72; C02F2103/00; C02F2103/002; C02F2103/005; C02F2201/00; C02F2201/001; C02F2201/008
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
A SEWAGE DISPOSAL APPARATUS COMPRISING, A SEWAGE RECEIVING TANK, A TREATING TANK, A CONDUIT INTERCONNECTING SAID TANKS, POWER MEANS INCLUDING A PULVERIZER TO DIRECT A PREDETERMINED MAXIMUM VOLUME OF SEWAGE FROM SAID RECEIVING TANK THROUGH SAID CONDUIT TO SAID TREATING TANK, MEANS RESPONSIVE TO A PREDETERMINED VOLUME OF SEWAGE IN SAID RECEIVING TANK TO INITIATE OPERATION OF SAID POWER MEANS, AND MEANS TO LIMIT THE FREQUENCY OF OPERATION OF
Claim 2
Dependent Claim
69 words
A SEWAGE DISPOSAL APPARATUS COMPRISING, A SEWAGE RECEIVING TANK, A TREATING TANK, A CONDUIT INTERCONNECTING SAID TANKS, POWER MEANS INCLUDING A PULVERIZER TO DIRECT A PREDETERMINED MAXIMUM VOLUME OF SEWAGE FROM SAID RECEIVING TANK THROUGH SAID CONDUIT TO SAID TREATING TANK, MEANS RESPONSIVE TO A PREDETERMINED VOLUME OF SEWAGE IN SAID RECEIVING TANK TO INITIATE OPERATION OF SAID POWER MEANS, AND MEANS TO LIMIT THE FREQUENCY OF OPERATION OF
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) | 1958-05-30 | 1958-11-29 | 1959-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-05-30 | 1962-11-29 | 1963-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-05-30 | 1966-11-29 | 1967-05-31 | $7700.00 | Window Closed / Lapsed |