US2963088A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Completion of tubeless wells
Assignee: Jersey Production Research Co
•
Filing: 1958-06-20
•
Granted: 1960-12-06
•
Expires: 1978-06-20
Abstract
No abstract record available.
Inventors
- 👤 Jr Charles B Corley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:36
CPC Classifications
E; E21; E21B; E21B43/00; E21B43/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2693856A
Cited
US2707997A
Cited
US2776013A
Cited
US2805722A
Cited
US2811205A
Cited
US2856001A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-06 | 1964-06-06 | 1964-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-06 | 1968-06-06 | 1968-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-06 | 1972-06-06 | 1972-12-06 | $7700.00 | Window Closed / Lapsed |