Patent US3094852A successfully refreshed from Google Patents.
US3094852A
Expired / Lapsed
US
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Support for gas and oil strings
Assignee: Individual
•
Filing: 1960-07-13
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Granted: 1963-06-25
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Expires: 1980-07-13
Abstract
No abstract record available.
Inventors
- 👤 James S Taylor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 12:17
CPC Classifications
E; E21; E21B; E21B19/00; E21B19/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US642587A
Cited
US1555206A
Cited
US1778830A
Cited
US2031931A
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US2199738A
Cited
US2388416A
Cited
US2575831A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-06-24 | 1966-12-24 | 1967-06-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-24 | 1970-12-24 | 1971-06-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-24 | 1974-12-24 | 1975-06-25 | $7700.00 | Window Closed / Lapsed |