Patent US3491848A successfully refreshed from Google Patents.
US3491848A
Expired / Lapsed
US
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Wave generator arrays for marine seismic exploration
Assignee: Texas Instruments Inc
•
Filing: 1968-01-10
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Granted: 1970-01-27
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Expires: 1988-01-10
Abstract
No abstract record available.
Inventors
- 👤 Ben F Giles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:34
CPC Classifications
G; G01; G01V; G01V1/00; G01V1/003; G01V1/006
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2414480A
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US2630188A
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US2627930A
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US2693245A
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US2545380A
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US2706011A
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US2642146A
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US3331050A
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US3386526A
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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) | 1973-01-26 | 1973-07-28 | 1974-01-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-26 | 1977-07-28 | 1978-01-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-26 | 1981-07-28 | 1982-01-27 | $7700.00 | Window Closed / Lapsed |