Patent US3146477A successfully refreshed from Google Patents.
US3146477A
Expired / Lapsed
US
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Combination valve and cleaning ball launcher
Assignee: Panhandle Eastern Pipe Line Co
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Filing: 1963-04-22
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Granted: 1964-09-01
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Expires: 1983-04-22
Abstract
No abstract record available.
Inventors
- 👤 Stephen A Bergman
- 👤 Donald F Cockrell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:07
CPC Classifications
F; F16; F16L; F16L55/00; F16L55/26; F16L55/46; Y; Y10; Y10T; Y10T137/00; Y10T137/4891; Y10T137/8593; Y10T137/86493; Y10T137/86549
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
A DEVICE FOR CONTROLLING FLOW IN A PIPE LINE FOR INTRODUCING A CLEANING DEVICE INTO SAID PIPE LINE FOR IN(A) AN ELONGATE BODY HAVING AN ELONGATE PISTON CHAMBER THEREIN, (B) A PISTON UNIDIRECTIONALLY RECIPROCABLE IN SAID CHAMBER AND FORMED WITH A TRANSVERSE CLEANING DEVICERECEIVING PORT AND A TRANSVERSE FLOW PASSAGE SPACED LONGITUDINALLY OF THE PISTON FROM SAID PORT, (C) MEANS IN SAID BODY ADAPTED TO RECEIVE A CLEANING DEVICE AND DISPOSE SAME IN SAID CLEANING DEVICERECEIVING PORT IN THE PISTON WHEN SAID PISTON IS MOVED TOWARD ONE END OF THE CHAMBER, (D) SAID BODY HAVING ALIGNED INLET AND OUTLET FLOW PASSAGES INTERSECTING SAID CHAMBER,
Claim 2
Independent Claim
104 words
A DEVICE FOR CONTROLLING FLOW IN A PIPE LINE FOR INTRODUCING A CLEANING DEVICE INTO SAID PIPE LINE FOR IN(A) AN ELONGATE BODY HAVING AN ELONGATE PISTON CHAMBER THEREIN, (B) A PISTON UNIDIRECTIONALLY RECIPROCABLE IN SAID CHAMBER AND FORMED WITH A TRANSVERSE CLEANING DEVICERECEIVING PORT AND A TRANSVERSE FLOW PASSAGE SPACED LONGITUDINALLY OF THE PISTON FROM SAID PORT, (C) MEANS IN SAID BODY ADAPTED TO RECEIVE A CLEANING DEVICE AND DISPOSE SAME IN SAID CLEANING DEVICERECEIVING PORT IN THE PISTON WHEN SAID PISTON IS MOVED TOWARD ONE END OF THE CHAMBER, (D) SAID BODY HAVING ALIGNED INLET AND OUTLET FLOW PASSAGES INTERSECTING SAID CHAMBER,
References Cited (Backward Citations)
GB309344A
Cited
US2790500A
Cited
US2755742A
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US2769456A
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US3000028A
Cited
US3063079A
Cited
US3063080A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-01 | 1968-03-02 | 1968-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-01 | 1972-03-02 | 1972-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-01 | 1976-03-02 | 1976-09-01 | $7700.00 | Window Closed / Lapsed |