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Patent US3022827A successfully refreshed from Google Patents.
US3022827A
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Introduction of fluid into an earth formation
Assignee: Jersey Production Research Co
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Filing: 1958-07-14
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Granted: 1962-02-27
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Expires: 1978-07-14
Abstract
No abstract record available.
Inventors
- 👤 Getzen Forrest William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 20:40
CPC Classifications
E; E21; E21B; E21B43/00; E21B43/25; E21B33/00; E21B33/10; E21B33/12; E21B33/124; E21B33/1243; E21B49/00; E21B49/008
Claims Analysis
Total Claims: 0
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US2910123A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-02-26 | 1965-08-28 | 1966-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-26 | 1969-08-28 | 1970-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-26 | 1973-08-28 | 1974-02-27 | $7700.00 | Window Closed / Lapsed |