US3457544A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Methods and apparatus for recording well logging data
Assignee: Schlumberger Technology Corp
•
Filing: 1968-02-06
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Granted: 1969-07-22
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Expires: 1988-02-06
Abstract
No abstract record available.
Inventors
- 👤 Gerald K Miller
- 👤 William D Sauter
- 👤 John P Warren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 17:01
CPC Classifications
G; G01; G01V; G01V1/00; G01V1/40; G01V1/44; G01V1/48; G01V11/00; G01V11/002; G01V3/00; G01V3/18; G01V3/34; H; H03; H03M; H03M1/00; H03M1/12; H03M1/50; H03M1/56
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3360774A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-21 | 1973-01-20 | 1973-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-21 | 1977-01-20 | 1977-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-21 | 1981-01-20 | 1981-07-22 | $7700.00 | Window Closed / Lapsed |