US2630182A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for shooting oil wells
Assignee: Seismograph Service Corp
•
Filing: 1947-02-19
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Granted: 1953-03-03
•
Expires: 1967-02-19
Abstract
No abstract record available.
Inventors
- 👤 Jr Robert L Klotz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:56
CPC Classifications
E; E21; E21B; E21B43/00; E21B43/25; E21B43/26; E21B43/263
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB191128030A
Cited
US1248689A
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US1705248A
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US1826371A
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US2048451A
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US2399211A
Cited
US2409848A
Cited
US2415814A
Cited
US2494256A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-02 | 1956-09-01 | 1957-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-02 | 1960-09-01 | 1961-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-02 | 1964-09-01 | 1965-03-03 | $7700.00 | Window Closed / Lapsed |