US3133603A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Turbodrill
Assignee: Neyrpic SA
•
Filing: 1960-01-15
•
Granted: 1964-05-19
•
Expires: 1980-01-15
Abstract
No abstract record available.
Inventors
- 👤 Lagacherie Guy Pierre
- 👤 Lapeyre Jean-Pierre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 05:52
CPC Classifications
E; E21; E21B; E21B7/00; E21B7/18; E21B10/00; E21B10/08; E21B10/18; E21B4/00; E21B4/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1482702A
Cited
US2380112A
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US2815931A
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US2879032A
Cited
US2910273A
Cited
US2944792A
Cited
FR1168061A
Cited
US3077937A
Cited
US2890859A
Cited
US2963099A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-05-19 | 1967-11-18 | 1968-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-19 | 1971-11-18 | 1972-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-19 | 1975-11-18 | 1976-05-19 | $7700.00 | Window Closed / Lapsed |