US2915322A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tubing joint connection
Assignee: Jersey Production Research Co
•
Filing: 1956-05-03
•
Granted: 1959-12-01
•
Expires: 1976-05-03
Abstract
No abstract record available.
Inventors
- 👤 Dunlop Charles Arthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:32
CPC Classifications
F; F16; F16L; F16L15/00; F16L15/001; F16L15/003; E; E21; E21B; E21B17/00; E21B17/02; E21B17/04; E21B17/042
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1561679A
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US1938255A
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US2110127A
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FR887039A
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US2345019A
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US2377196A
Cited
US2671949A
Cited
US2631871A
Cited
US2533868A
Cited
US2810592A
Cited
US2711171A
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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) | 1962-11-30 | 1963-06-01 | 1963-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-30 | 1967-06-01 | 1967-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-30 | 1971-06-01 | 1971-12-01 | $7700.00 | Window Closed / Lapsed |