Patent US3097693A successfully refreshed from Google Patents.
US3097693A
Expired / Lapsed
US
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Method of perforation of well pipe
Assignee: Jersey Production Research Co
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Filing: 1960-07-21
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Granted: 1963-07-16
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Expires: 1980-07-21
Abstract
No abstract record available.
Inventors
- 👤 Garland C Terrel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:18
CPC Classifications
E; E21; E21B; E21B43/00; E21B43/11; E21B43/119; E21B47/00; E21B47/02; E21B47/024
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) | 1966-07-15 | 1967-01-14 | 1967-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-15 | 1971-01-14 | 1971-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-15 | 1975-01-14 | 1975-07-16 | $7700.00 | Window Closed / Lapsed |