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US2652550A
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Marine seismometer spread
Assignee: Stanolind Oil and Gas Co
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Filing: 1949-02-23
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Granted: 1953-09-15
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Expires: 1969-02-23
Abstract
No abstract record available.
Inventors
- 👤 Charles C Lash
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:49
CPC Classifications
G; G01; G01V; G01V1/00; G01V1/38; G01V1/3817; G01V1/3826
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1470733A
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US2203894A
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US2241428A
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US2423591A
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US2401929A
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US2449085A
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US2465696A
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US2570707A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-09-14 | 1957-03-16 | 1957-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-14 | 1961-03-16 | 1961-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-14 | 1965-03-16 | 1965-09-15 | $7700.00 | Window Closed / Lapsed |