US2799003A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric logging method and apparatus
Assignee: Union Oil Company of California
•
Filing: 1953-02-16
•
Granted: 1957-07-09
•
Expires: 1973-02-16
Abstract
No abstract record available.
Inventors
- 👤 Theodore J Nowak
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:42
CPC Classifications
G; G01; G01V; G01V3/00; G01V3/18; G01V3/20; G01V3/02; G01V3/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CH194199A
Cited
US2233420A
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US2250024A
Cited
US2256742A
Cited
US2307887A
Cited
US2371658A
Cited
US2395623A
Cited
US2495274A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-07-08 | 1961-01-07 | 1961-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-08 | 1965-01-07 | 1965-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-08 | 1969-01-07 | 1969-07-09 | $7700.00 | Window Closed / Lapsed |