Patent US2556299A successfully refreshed from Google Patents.
US2556299A
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Method of generating directional seismic waves
Assignee: Standard Oil Development Co
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Filing: 1947-09-12
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Granted: 1951-06-12
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Expires: 1967-09-12
Abstract
No abstract record available.
Inventors
- 👤 Clarence B Scott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:55
CPC Classifications
G; G01; G01V; G01V1/00; G01V1/02; G01V1/104; G01V1/13
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1899970A
Cited
US1998412A
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US2064451A
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US2133484A
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US2156198A
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US2151878A
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US2340314A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-06-11 | 1954-12-11 | 1955-06-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-06-11 | 1958-12-11 | 1959-06-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-06-11 | 1962-12-11 | 1963-06-12 | $7700.00 | Window Closed / Lapsed |