US3071193A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Well tubing sliding sleeve valve
Assignee: Camco Inc
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Filing: 1960-06-02
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Granted: 1963-01-01
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Expires: 1980-06-02
Abstract
No abstract record available.
Inventors
- 👤 George M Raulins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:47
CPC Classifications
E; E21; E21B; E21B34/00; E21B34/06; E21B34/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
114 words
IN A WELL FLOW CONTROL DEVICE, A FLOW CONDUIT TUBE HAVING A SIDE PORT THERETHROUGH, A PORT CLOSURE TUBE SLIDABLY FITTED TO THE CONDUIT TUBE AND PROVIDED WITH A SIDE PORT FOR ALIGNMENT IN ONE POSITION WITH THE CONDUIT PORT AND FOR MISALIGNMENT THEREWITH IN ANOTHER POSITION, SEAL MEANS ON SAID FLOW CONDUIT TUBE ABOVE AND BELOW THE SIDE PORT THERETHROUGH AND IN SLIDE SEALING ENGAGEMENT WITH THE CLOSURE TUBE, THE SLIDE BEARING SURFACES OF SAID TUBES HAVING IN ONE THEREOF A PAIR OF AXIALLY SPACED APART DETENT POSITIONING GROOVES AND IN THE OTHER THEREOF A DETENT LOCATING POCKET AND A SNAP DETENT IN SAID POCKET COMPRISING A CHANNEL SECTION CIRCULAR SEGMENT HAVING ITS
Claim 2
Dependent Claim
114 words
IN A WELL FLOW CONTROL DEVICE, A FLOW CONDUIT TUBE HAVING A SIDE PORT THERETHROUGH, A PORT CLOSURE TUBE SLIDABLY FITTED TO THE CONDUIT TUBE AND PROVIDED WITH A SIDE PORT FOR ALIGNMENT IN ONE POSITION WITH THE CONDUIT PORT AND FOR MISALIGNMENT THEREWITH IN ANOTHER POSITION, SEAL MEANS ON SAID FLOW CONDUIT TUBE ABOVE AND BELOW THE SIDE PORT THERETHROUGH AND IN SLIDE SEALING ENGAGEMENT WITH THE CLOSURE TUBE, THE SLIDE BEARING SURFACES OF SAID TUBES HAVING IN ONE THEREOF A PAIR OF AXIALLY SPACED APART DETENT POSITIONING GROOVES AND IN THE OTHER THEREOF A DETENT LOCATING POCKET AND A SNAP DETENT IN SAID POCKET COMPRISING A CHANNEL SECTION CIRCULAR SEGMENT HAVING ITS
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) | 1965-12-31 | 1966-07-02 | 1967-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-31 | 1970-07-02 | 1971-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-31 | 1974-07-02 | 1975-01-01 | $7700.00 | Window Closed / Lapsed |