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Patent US3365007A successfully refreshed from Google Patents.
US3365007A
Expired / Lapsed
US
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Directional drilling tool and method
Assignee: Wilson Supply Co
•
Filing: 1965-10-24
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Granted: 1968-01-23
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Expires: 1985-10-24
Abstract
No abstract record available.
Inventors
- 👤 Skipper Uvon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:31
CPC Classifications
E; E21; E21B; E21B7/00; E21B7/04; E21B7/06; E21B7/065
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1918096A
Cited
US2176375A
Cited
US2373648A
Cited
US2873092A
Cited
US3183933A
Cited
US3211244A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-22 | 1971-07-24 | 1972-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-22 | 1975-07-24 | 1976-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-22 | 1979-07-24 | 1980-01-23 | $7700.00 | Window Closed / Lapsed |