US2879860A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Seismic prospecting utilizing trace integration
Assignee: California Research LLC
•
Filing: 1954-10-11
•
Granted: 1959-03-31
•
Expires: 1974-10-11
Abstract
No abstract record available.
Inventors
- 👤 Aubra E Tilley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:48
CPC Classifications
G; G01; G01V; G01V1/00; G01V1/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2018737A
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US2088588A
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US2394990A
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US2243729A
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US2440971A
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US2463534A
Cited
US2620890A
Cited
US2767389A
Cited
US2698928A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-30 | 1962-09-29 | 1963-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-30 | 1966-09-29 | 1967-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-30 | 1970-09-29 | 1971-03-31 | $7700.00 | Window Closed / Lapsed |