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US2915286A
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Deflection tool for rotary directional drilling
Assignee: MARCUS W HAINES
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Filing: 1953-04-20
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Granted: 1959-12-01
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Expires: 1973-04-20
Abstract
No abstract record available.
Inventors
- 👤 Stanley R Wright
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:44
CPC Classifications
E; E21; E21B; E21B7/00; E21B7/04; E21B7/06; E21B7/062
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1072964A
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US2061316A
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US2173309A
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US2233077A
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US2197019A
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US2319236A
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US2585207A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-30 | 1963-06-01 | 1963-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-30 | 1967-06-01 | 1967-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-30 | 1971-06-01 | 1971-12-01 | $7700.00 | Window Closed / Lapsed |