US2940536A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for analysis of seismic records
Assignee: Sunoco Inc
•
Filing: 1953-03-02
•
Granted: 1960-06-14
•
Expires: 1973-03-02
Abstract
No abstract record available.
Inventors
- 👤 Charles B Bazzoni
- 👤 Lacoste G Ellis
- 👤 Alfred C Winterhalter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:45
CPC Classifications
G; G01; G01V; G01V1/00; G01V1/28; G01V1/36; G01V1/362
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2732025A
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US2394990A
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US2243729A
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US2427421A
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US2440971A
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US2463534A
Cited
US2620890A
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US2821892A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-14 | 1963-12-14 | 1964-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-14 | 1967-12-14 | 1968-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-14 | 1971-12-14 | 1972-06-14 | $7700.00 | Window Closed / Lapsed |