US3049185A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for oscillating drilling
Assignee: PAUL O TOBELER
•
Filing: 1956-12-26
•
Granted: 1962-08-14
•
Expires: 1976-12-26
Abstract
No abstract record available.
Inventors
- 👤 Herbold Wolfgang Konrad Jacob
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:05
CPC Classifications
E; E21; E21B; E21B7/00; E21B7/24; E21B7/20; E21B7/205; E21B7/206; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18344
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US102572A
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US2229912A
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US1166011A
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US1671136A
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US2546806A
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US2510386A
Cited
US2654586A
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US2730176A
Cited
US2841995A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-13 | 1966-02-12 | 1966-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-13 | 1970-02-12 | 1970-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-13 | 1974-02-12 | 1974-08-14 | $7700.00 | Window Closed / Lapsed |