US3783057A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wire insulation splicing technique for high temperature well logging cable
Assignee: Schlumberger Technology Corp
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Filing: 1971-12-30
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Granted: 1974-01-01
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Expires: 1991-12-30
Abstract
Abstract WELL LOGGING CABLES SUBSTANTIALLY LONGER THAN 10,000 FEET AND OPERABLE IN LOGGING WELLS WITH BOTTOM HOLE TEMPERATURES UP TO 600*F. ARE MADE FEASIBLE THROUGH A TECHNIQUE OF SPLICING TFE FLUOROCARBON INSULATING MATERIAL TO FEP FLUOROCARBON INSULATING MATERIAL USING HEAT AND PRESSURE.
Inventors
- 👤 R Mcnerney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 04:02
CPC Classifications
H; H02; H02G; H02G1/00; H02G1/14; H02G1/145; H02G15/00; H02G15/003; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2973; Y10T428/2976; Y10T428/31504; Y10T428/3154
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-12-31 | 1977-07-02 | 1978-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-12-31 | 1981-07-02 | 1982-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-12-31 | 1985-07-02 | 1986-01-01 | $7700.00 | Window Closed / Lapsed |