US3363696A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Full bore bypass valve
Assignee: Schlumberger Technology Corp
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Filing: 1966-04-04
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Granted: 1968-01-16
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Expires: 1986-04-04
Abstract
No abstract record available.
Inventors
- 👤 William O Berryman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:45
CPC Classifications
E; E21; E21B; E21B34/00; E21B34/06; E21B34/12; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/87917; Y10T137/88038
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
114 words
A WELL TOOL ADAPTED FOR CONNECTION TO A PIPE STRING AND COMPRISING: INNER AND OUTER TUBULAR MEMBERS TELESCOPED TOGETHER AND MOVABLE RELATIVE TO ONE ANOTHER BETWEEN SPACED POSITIONS; MEANS INCLUDING A PORT IN SAID INNER MEMBER FOR PROVIDING FLUID COMMUNICATION BETWEEN THE INTERIOR AND EXTERIOR OF SAID TUBULAR MEMBERS IN ONE OF THEIR SAID POSITIONS; MEANS INCLUDING SEALING MEANS BETWEEN SAID TUBULAR MEMBERS FOR CLOSING FLUID COMMUNICATION THROUGH SAID PORT IN THE OTHER POSITION OF SAID TUBULAR MEMBERS; AND MEANS IN SAID TUBULAR MEMBERS AND RESPONSIVE TO MOVEMENT OF SAID TUBULAR MEMBERS TOWARD THEIR SAID OTHER POSITION FOR AT LEAST RETARDING FLOW THROUGH SAID PORT BEFORE SAID TUBULAR MEMBERS ASSUME THEIR SAID OTHER POSITION.
Claim 2
Dependent Claim
114 words
A WELL TOOL ADAPTED FOR CONNECTION TO A PIPE STRING AND COMPRISING: INNER AND OUTER TUBULAR MEMBERS TELESCOPED TOGETHER AND MOVABLE RELATIVE TO ONE ANOTHER BETWEEN SPACED POSITIONS; MEANS INCLUDING A PORT IN SAID INNER MEMBER FOR PROVIDING FLUID COMMUNICATION BETWEEN THE INTERIOR AND EXTERIOR OF SAID TUBULAR MEMBERS IN ONE OF THEIR SAID POSITIONS; MEANS INCLUDING SEALING MEANS BETWEEN SAID TUBULAR MEMBERS FOR CLOSING FLUID COMMUNICATION THROUGH SAID PORT IN THE OTHER POSITION OF SAID TUBULAR MEMBERS; AND MEANS IN SAID TUBULAR MEMBERS AND RESPONSIVE TO MOVEMENT OF SAID TUBULAR MEMBERS TOWARD THEIR SAID OTHER POSITION FOR AT LEAST RETARDING FLOW THROUGH SAID PORT BEFORE SAID TUBULAR MEMBERS ASSUME THEIR SAID OTHER POSITION.
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) | 1971-01-15 | 1971-07-17 | 1972-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-15 | 1975-07-17 | 1976-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-15 | 1979-07-17 | 1980-01-16 | $7700.00 | Window Closed / Lapsed |