US3149472A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Storage system
Assignee: Texas Eastern Transmission Corp
•
Filing: 1963-08-08
•
Granted: 1964-09-22
•
Expires: 1983-08-08
Abstract
No abstract record available.
Inventors
- 👤 Howard W Mccall
- 👤 Charles H Lashley
- 👤 Robert W Zumwalt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:24
CPC Classifications
F; F17; F17C; F17C3/00; F17C3/005; F04; F04D; F04D29/00; F04D29/60; F04D29/605; F04D29/606; F04D29/608; F17C2201/00; F17C2201/03; F17C2201/032; F17C2201/05; F17C2201/052; F17C2203/00; F17C2203/03; F17C2203/0304; F17C2203/0354; F17C2203/06; F17C2203/0634; F17C2203/0678; F17C2205/00; F17C2205/03; F17C2205/0302; F17C2205/0323; F17C2205/0335; F17C2221/00; F17C2221/03; F17C2221/032; F17C2221/033; F17C2223/00; F17C2223/01; F17C2223/0146; F17C2223/0153; F17C2223/0161; F17C2223/03; F17C2223/033; F17C2223/04; F17C2223/042; F17C2223/043; F17C2223/046; F17C2223/047; F17C2227/00; F17C2227/01; F17C2227/0128; F17C2227/0135; F17C2265/00; F17C2265/03; F17C2265/031; F17C2270/00; F17C2270/01; F17C2270/0142; F17C2270/0144; F17C2270/0147; F17C2270/0157; F17C2270/016; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/85978; Y10T137/86035
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
A STORAGE SYSTEM COMPRISING, A STORAGE TANK, A PUMP WELL DEPENDING FROM THE TOP OF SAID TANK, A CHECK VALVE IN THE BOTTOM OF SAID PUMP WELL, MEANS URGING SAID CHECK VALVE TOWARD CLOSED POSITION, A PUMP MOUNTED IN THE PUMP WELL AND HAVING A TAIL PIPE EXTENDING TO THE BOTTOM OF THE WELL AND ENGAGING SAID CHECK VALVE AND HOLDING IT IN OPEN POSITION WHEN SAID PUMP IS IN A FIRST LOWER POSITION, SAID TAIL PIPE WHEN RAISED TO A SECOND HIGHER POSITION PERMITTING SAID CHECK VALVE TO CLOSE DUE TO THE FORCE EXERTED BY SAID URGING MEANS, AND AT LEAST ONE CONDUIT CONNECTING THE INTERIOR OF SAID PUMP WELL TO THE EXTERIOR OF SAID TANK FOR THE INTRODUCTION OF PURGE FLUID INTO PUMP WELL.
Claim 2
Dependent Claim
126 words
A STORAGE SYSTEM COMPRISING, A STORAGE TANK, A PUMP WELL DEPENDING FROM THE TOP OF SAID TANK, A CHECK VALVE IN THE BOTTOM OF SAID PUMP WELL, MEANS URGING SAID CHECK VALVE TOWARD CLOSED POSITION, A PUMP MOUNTED IN THE PUMP WELL AND HAVING A TAIL PIPE EXTENDING TO THE BOTTOM OF THE WELL AND ENGAGING SAID CHECK VALVE AND HOLDING IT IN OPEN POSITION WHEN SAID PUMP IS IN A FIRST LOWER POSITION, SAID TAIL PIPE WHEN RAISED TO A SECOND HIGHER POSITION PERMITTING SAID CHECK VALVE TO CLOSE DUE TO THE FORCE EXERTED BY SAID URGING MEANS, AND AT LEAST ONE CONDUIT CONNECTING THE INTERIOR OF SAID PUMP WELL TO THE EXTERIOR OF SAID TANK FOR THE INTRODUCTION OF PURGE FLUID INTO PUMP WELL.
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) | 1967-09-22 | 1968-03-23 | 1968-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-22 | 1972-03-23 | 1972-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-22 | 1976-03-23 | 1976-09-22 | $7700.00 | Window Closed / Lapsed |