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US3158200A
Expired / Lapsed
US
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Pumping apparatus for anchoring in a well bore
Assignee: Lynes Inc
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Filing: 1961-08-09
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Granted: 1964-11-24
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Expires: 1981-08-09
Abstract
No abstract record available.
Inventors
- 👤 Billy C Malone
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 09:18
CPC Classifications
E; E21; E21B; E21B43/00; E21B43/12
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
109 words
A WELL TOOL FOR CONNECTION WITH A WELL STRING TO BE LOWERED INTO A WELL BORE AND ANCHORED WHEREBY THE WELL STRING MAY BE RECIPROCATED TO PUMP WELL FLUIDS THEREIN INCLUDING, ANCHOR MEANS FOR CONNECTION TO A WELL STRING WHEREBY THE WELL TOOL MAY BE POSITIONED IN A WELL BORE, A PUMP SECTION CONNECTED IN THE WELL STRING ABOVE SAID ANCHOR, SAID PUMP SECTION INCLUDING VALVE MEANS THEREIN, SAID VALVE MEANS SO CONSTRUCTED AND ARRANGED TO CONDUCT WELL FLUID THERETHROUGH TO ACTUATE SAID ANCHOR MEANS, SAID VALVE MEANS OPERABLE AFTER SAID ANCHOR MEANS IS ACTUATED AND UPON RECIPROCATION OF THE WELL STRING TO PUMP FLUID IN THE WELL STRING.
References Cited (Backward Citations)
US1625674A
Cited
US2103940A
Cited
US2778431A
Cited
US2749992A
Cited
US2831541A
Cited
US2951539A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-11-24 | 1968-05-25 | 1968-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-24 | 1972-05-25 | 1972-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-24 | 1976-05-25 | 1976-11-24 | $7700.00 | Window Closed / Lapsed |