Patent US2580636A successfully refreshed from Google Patents.
US2580636A
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US
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Reflection seismic exploration
Assignee: Texaco Inc
•
Filing: 1945-03-01
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Granted: 1952-01-01
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Expires: 1965-03-01
Abstract
No abstract record available.
Inventors
- 👤 Wolf Alexander
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:58
CPC Classifications
G; G01; G01V; G01V1/00; G01V1/16; G01V1/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1799398A
Cited
US2191121A
Cited
US2156198A
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US2151878A
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US2232612A
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US2202885A
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US2192972A
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US2167124A
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US2117365A
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US2156624A
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US2184313A
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US2321450A
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US2431600A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-12-31 | 1955-07-02 | 1956-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-31 | 1959-07-02 | 1960-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-31 | 1963-07-02 | 1964-01-01 | $7700.00 | Window Closed / Lapsed |