US3003558A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of removing debris from well bores
Assignee: Jersey Production Research Co
•
Filing: 1957-10-09
•
Granted: 1961-10-10
•
Expires: 1977-10-09
Abstract
No abstract record available.
Inventors
- 👤 Willis P Orr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 11:50
CPC Classifications
E; E21; E21B; E21B37/00; E21B37/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2252912A
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US2330110A
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US2359302A
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US2749989A
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US2818119A
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US2876842A
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US2802535A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-10-09 | 1965-04-10 | 1965-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-09 | 1969-04-10 | 1969-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-09 | 1973-04-10 | 1973-10-10 | $7700.00 | Window Closed / Lapsed |