US3418625A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Methods and apparatus for attenuating the effects of multiple seismic reflections
Assignee: Seismograph Service Corp
•
Filing: 1965-11-15
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Granted: 1968-12-24
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Expires: 1985-11-15
Abstract
No abstract record available.
Inventors
- 👤 Anstey Nigel Allister
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 08:39
CPC Classifications
G; G01; G01V; G01V1/00; G01V1/28; G01V1/36; G01V1/37; G01V1/375; G01N; G01N29/00; G01N29/36; G01N29/40; G01S; G01S13/00; G01S13/02; G01S13/06; G01S13/08; G01S13/10; G01S13/103; G01S15/00; G01S15/02; G01S7/00; G01S7/52; G01S7/523; G01S7/526; G01S7/527; G01V1/288
Claims Analysis
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References Cited (Backward Citations)
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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) | 1971-12-24 | 1972-06-24 | 1972-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-24 | 1976-06-24 | 1976-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-24 | 1980-06-24 | 1980-12-24 | $7700.00 | Window Closed / Lapsed |