US3160685A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Swing diffuser
Assignee: FMC Corp
•
Filing: 1961-09-21
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Granted: 1964-12-08
•
Expires: 1981-09-21
Abstract
No abstract record available.
Inventors
- 👤 Corson W Chase
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:49
CPC Classifications
C; C02; C02F; C02F3/00; C02F3/02; C02F3/12; C02F3/20; C02F3/203; Y; Y02; Y02W; Y02W10/00; Y02W10/10; Y02W10/30; Y02W10/37; Y10; Y10S; Y10S261/00; Y10S261/47
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
125 words
IN COMBINATION, A SEWAGE TANK HAVING A FLOOR AND A STANDARD PROJECTING UPWARDLY FROM SAID FLOOR, ONE VERTICAL FACE OF SAID STANDARD HAVING A NOTCH THEREIN, A SWING DIFFUSER COMPRISING A RIGID UPPER HANGER PIPE CONNECTED TO A SOURCE OF AIR UNDER PRESSURE, A RIGID LOWER HANGER PIPE, A FLEXIBLE TUBE CONNECTING THE UPPER END OF SAID LOWER HANGER PIPE TO THE LOWER END OF SAID UPPER HANGER PIPE, A DIFFUSER HEADER CONNECTED TO SAID LOWER HANGER PIPE, SAID TUBE COOPERATING WITH SAID PIPES TO FORM A PASSAGEWAY FOR THE FLOW OF AIR FROM SAID SOURCE TO SAID DIFFUSER HEADER, SAID NOTCH BEING DIMENSIONED AND SHAPED TO RECEIVE SAID DIFFUSER HEADER, AND A ROLLER ON SAID STANDARD TO HOLD SAID DIFFUSER HEADER IN SAID NOTCH.
Claim 2
Dependent Claim
125 words
IN COMBINATION, A SEWAGE TANK HAVING A FLOOR AND A STANDARD PROJECTING UPWARDLY FROM SAID FLOOR, ONE VERTICAL FACE OF SAID STANDARD HAVING A NOTCH THEREIN, A SWING DIFFUSER COMPRISING A RIGID UPPER HANGER PIPE CONNECTED TO A SOURCE OF AIR UNDER PRESSURE, A RIGID LOWER HANGER PIPE, A FLEXIBLE TUBE CONNECTING THE UPPER END OF SAID LOWER HANGER PIPE TO THE LOWER END OF SAID UPPER HANGER PIPE, A DIFFUSER HEADER CONNECTED TO SAID LOWER HANGER PIPE, SAID TUBE COOPERATING WITH SAID PIPES TO FORM A PASSAGEWAY FOR THE FLOW OF AIR FROM SAID SOURCE TO SAID DIFFUSER HEADER, SAID NOTCH BEING DIMENSIONED AND SHAPED TO RECEIVE SAID DIFFUSER HEADER, AND A ROLLER ON SAID STANDARD TO HOLD SAID DIFFUSER HEADER IN SAID NOTCH.
Claim 3
Dependent Claim
139 words
IN COMBINATION, A SEWAGE TANK, A SWING DIFFUSER COMPRISING A RIGID UPPER HANGER PIPE CONNECTED TO A SOURCE OF AIR UNDER PRESSURE, A RIGID LOWER HANGER PIPE, A FLEXIBLE TUBE CONNECTING THE UPPER END OF SAID LOWER HANGER PIPE TO THE LOWER END OF SAID UPPER HANGER PIPE, MEANS FOR PROVIDING MOVEMENT OF SAID HANGER PIPES, A DIFFUSER HEADER CONNECTED TO SAID LOWER HANGER PIPE, SAID TUBE COOPERATING WITH SAID PIPES TO FORM A PASSAGEWAY FOR THE FLOW OF AIR FROM SAID SOURCE TO SAID DIFFUSER HEADER, GUIDE MEANS COOPERATING WITH SAID UPPER AND LOWER HANGER PIPES TO RESTRICT THE MOVEMENT OF SAID HANGER PIPES TO A SINGLE VERTICAL PLANE, AND CABLES SECURED TO SAID LOWER HANGER PIPE AND THE UPPER EDGE OF SAID TANK TO HOLD SAID DIFFUSER HEADER IN FIXED POSITION ABOVE THE FLOOR OF SAID TANK.
Claim 4
Dependent Claim
139 words
IN COMBINATION, A SEWAGE TANK, A SWING DIFFUSER COMPRISING A RIGID UPPER HANGER PIPE CONNECTED TO A SOURCE OF AIR UNDER PRESSURE, A RIGID LOWER HANGER PIPE, A FLEXIBLE TUBE CONNECTING THE UPPER END OF SAID LOWER HANGER PIPE TO THE LOWER END OF SAID UPPER HANGER PIPE, MEANS FOR PROVIDING MOVEMENT OF SAID HANGER PIPES, A DIFFUSER HEADER CONNECTED TO SAID LOWER HANGER PIPE, SAID TUBE COOPERATING WITH SAID PIPES TO FORM A PASSAGEWAY FOR THE FLOW OF AIR FROM SAID SOURCE TO SAID DIFFUSER HEADER, GUIDE MEANS COOPERATING WITH SAID UPPER AND LOWER HANGER PIPES TO RESTRICT THE MOVEMENT OF SAID HANGER PIPES TO A SINGLE VERTICAL PLANE, AND CABLES SECURED TO SAID LOWER HANGER PIPE AND THE UPPER EDGE OF SAID TANK TO HOLD SAID DIFFUSER HEADER IN FIXED POSITION ABOVE THE FLOOR OF SAID TANK.
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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) | 1967-12-08 | 1968-06-08 | 1968-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-12-08 | 1972-06-08 | 1972-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-12-08 | 1976-06-08 | 1976-12-08 | $7700.00 | Window Closed / Lapsed |