US3059700A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas lift mandrel for use in wells
Assignee: Jersey Production Research Co
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Filing: 1960-12-30
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Granted: 1962-10-23
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Expires: 1980-12-30
Abstract
No abstract record available.
Inventors
- 👤 Iii Samuel E Loy
- 👤 William C Lindsey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:17
CPC Classifications
E; E21; E21B; E21B23/00; E21B23/03; E21B34/00; E21B34/06; E21B34/14; E21B43/00; E21B43/12; E21B43/121; E21B43/122; E21B43/123
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-22 | 1966-04-23 | 1966-10-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-22 | 1970-04-23 | 1970-10-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-22 | 1974-04-23 | 1974-10-23 | $7700.00 | Window Closed / Lapsed |