Patent US2450352A successfully refreshed from Google Patents.
US2450352A
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Seismic wave correction means and method
Assignee: Phillips Petroleum Co
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Filing: 1944-07-25
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Granted: 1948-09-28
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Expires: 1964-07-25
Abstract
No abstract record available.
Inventors
- 👤 Raymond G Piety
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:50
CPC Classifications
G; G01; G01V; G01V1/00; G01V1/28; G11; G11B; G11B5/00; G11B5/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1544622A
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US2377903A
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US2055477A
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US2144812A
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US2161764A
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US2184313A
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US2304740A
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US2276708A
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US2294627A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-09-28 | 1952-03-29 | 1952-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-09-28 | 1956-03-29 | 1956-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-09-28 | 1960-03-29 | 1960-09-28 | $7700.00 | Window Closed / Lapsed |