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US3447126A
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Recording technique for eliminating periodic noise from seismic signals
Assignee: Sinclair Research Inc
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Filing: 1967-07-19
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Granted: 1969-05-27
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Expires: 1987-07-19
Abstract
No abstract record available.
Inventors
- 👤 Albert C Reid
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:55
CPC Classifications
G; G01; G01V; G01V1/00; G01V1/28; G01V1/36; G01V1/364; G01V2210/00; G01V2210/30; G01V2210/32; G01V2210/324
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2397579A
Cited
US2438217A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-05-26 | 1972-11-25 | 1973-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-26 | 1976-11-25 | 1977-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-26 | 1980-11-25 | 1981-05-27 | $7700.00 | Window Closed / Lapsed |