US2910133A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of continuous well logging during drilling
Assignee: Individual
•
Filing: 1952-12-11
•
Granted: 1959-10-27
•
Expires: 1972-12-11
Abstract
No abstract record available.
Inventors
- 👤 Roland B Hudson
- 👤 Robert N Beck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:16
CPC Classifications
E; E21; E21B; E21B47/00; E21B47/12; E21B47/14; E21B47/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US713263A
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US1654819A
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US2277110A
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US2280226A
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US2461543A
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US2452515A
Cited
US2601779A
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US2656714A
Cited
US2694461A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-10-26 | 1963-04-27 | 1963-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-26 | 1967-04-27 | 1967-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-26 | 1971-04-27 | 1971-10-27 | $7700.00 | Window Closed / Lapsed |