US2701334A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical logging of well bores
Assignee: Lane Wells Co
•
Filing: 1953-06-16
•
Granted: 1955-02-01
•
Expires: 1973-06-16
Abstract
No abstract record available.
Inventors
- 👤 Alder Robert Lee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:14
CPC Classifications
G; G01; G01V; G01V3/00; G01V3/18; G01V3/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1826961A
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US2046436A
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US2398761A
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US2363987A
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US2324797A
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US2409689A
Cited
US2420200A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-01-31 | 1958-08-02 | 1959-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-01-31 | 1962-08-02 | 1963-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-01-31 | 1966-08-02 | 1967-02-01 | $7700.00 | Window Closed / Lapsed |