US3036645A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bottom-hole turbogenerator drilling unit
Assignee: Jersey Production Research Co
•
Filing: 1958-12-15
•
Granted: 1962-05-29
•
Expires: 1978-12-15
Abstract
No abstract record available.
Inventors
- 👤 Rowley David Scott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:34
CPC Classifications
E; E21; E21B; E21B7/00; E21B7/24; E21B4/00; E21B4/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1147898A
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US2664454A
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US2554005A
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US2700131A
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US2708566A
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US2709104A
Cited
US2866622A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-05-28 | 1965-11-27 | 1966-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-28 | 1969-11-27 | 1970-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-28 | 1973-11-27 | 1974-05-29 | $7700.00 | Window Closed / Lapsed |