Patent US3057406A successfully refreshed from Google Patents.
US3057406A
Expired / Lapsed
US
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Control apparatus for use in wells
Assignee: Halliburton Co
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Filing: 1958-03-28
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Granted: 1962-10-09
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Expires: 1978-03-28
Abstract
No abstract record available.
Inventors
- 👤 Patterson Pat
- 👤 Alonzo E Cummins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 10:57
CPC Classifications
E; E21; E21B; E21B23/00; E21B23/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2377916A
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US2396878A
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US2589506A
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US2692023A
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US2691503A
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US2747673A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-08 | 1966-04-09 | 1966-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-08 | 1970-04-09 | 1970-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-08 | 1974-04-09 | 1974-10-09 | $7700.00 | Window Closed / Lapsed |