US2884836A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gun perforators for wells
Assignee: Jersey Production Research Co
•
Filing: 1953-12-14
•
Granted: 1959-05-05
•
Expires: 1973-12-14
Abstract
No abstract record available.
Inventors
- 👤 Thomas O Allen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:22
CPC Classifications
F; F42; F42B; F42B12/00; F42B12/02; F42B12/20; F42B12/201; F42B12/204; E; E21; E21B; E21B43/00; E21B43/11; E21B43/116
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US305881A
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US878369A
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US1174925A
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US1284032A
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US1298500A
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US1585664A
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US2307729A
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US2406135A
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US2578726A
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US2454281A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-04 | 1962-11-03 | 1963-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-04 | 1966-11-03 | 1967-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-04 | 1970-11-03 | 1971-05-05 | $7700.00 | Window Closed / Lapsed |