Patent US3064733A successfully refreshed from Google Patents.
US3064733A
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Apparatus and method for completing wells
Assignee: ConocoPhillips Co
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Filing: 1959-10-29
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Granted: 1962-11-20
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Expires: 1979-10-29
Abstract
No abstract record available.
Inventors
- 👤 Jr Henry A Bourne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:25
CPC Classifications
E; E21; E21B; E21B43/00; E21B43/11; E21B43/119; E21B43/1195
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2100807A
Cited
US2569893A
Cited
US2693856A
Cited
US2696259A
Cited
US2745495A
Cited
US2766828A
Cited
US2715943A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-11-19 | 1966-05-21 | 1966-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-19 | 1970-05-21 | 1970-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-19 | 1974-05-21 | 1974-11-20 | $7700.00 | Window Closed / Lapsed |