US2817808A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of and apparatus for locating stuck pipe in wells
Assignee: DIA LOG TUBUIAR SURVEY Co
•
Filing: 1951-03-06
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Granted: 1957-12-24
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Expires: 1971-03-06
Abstract
No abstract record available.
Inventors
- 👤 William R Gieske
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:57
CPC Classifications
G; G01; G01V; G01V3/00; G01V3/08; G01V3/10; G01V3/101; E; E21; E21B; E21B47/00; E21B47/09
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-12-23 | 1961-06-24 | 1961-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-12-23 | 1965-06-24 | 1965-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-12-23 | 1969-06-24 | 1969-12-24 | $7700.00 | Window Closed / Lapsed |