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US2696891A
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Seismic surveying
Assignee: Individual
•
Filing: 1951-11-26
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Granted: 1954-12-14
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Expires: 1971-11-26
Abstract
No abstract record available.
Inventors
- 👤 Neufeld Jacob
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:03
CPC Classifications
G; G06; G06E; G06E3/00; G06E3/001; G06G; G06G7/00; G06G7/12; G06G7/19; G06G7/1921
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2144812A
Cited
US2098326A
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US2148422A
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US2155507A
Cited
US2207398A
Cited
US2243730A
Cited
US2557714A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-12-13 | 1958-06-14 | 1958-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-12-13 | 1962-06-14 | 1962-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-12-13 | 1966-06-14 | 1966-12-14 | $7700.00 | Window Closed / Lapsed |