US3290645A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and underwater streamer apparatus for improving the fidelity of recorded seismic signals
Assignee: WHITEHALL ELECTRONICS CORP
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Filing: 1964-02-13
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Granted: 1966-12-06
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Expires: 1984-02-13
Abstract
No abstract record available.
Inventors
- 👤 Jr George M Pavey
- 👤 Raymond H Pearson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:46
CPC Classifications
G; G01; G01V; G01V1/00; G01V1/38; G01V1/3817; G01V1/16; G01V1/20; G01V1/201
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
132 words
THE METHOD OF PRODUCING A HIGH FIDELITY GRAPH OF A SEISMIC WAVE WITHIN A BODY OF WATER INITIATED BY AN ACOUSTICAL IMPULSE WITHIN THE WATER AND REFLECTED FROM A SUBBOTTOM LAYER WHICH IS CORRELATIVE WITH THE CHARACTER OF THE LAYER AND UNALTERED BY A SPURIOUS SECONDARY WAVE REFLECTED BY THE AIR-WATER INTERFACE WHICH COMPRISES THE STEPS OF (1) FIRING AN EXPLOSIVE SHOT WITHIN THE WATER, (2) DETECTING THE PRESSURE WAVE REFLECTED FROM THE SUBBOTTOM LAYER AT A PLURALITY OF WAVE DETECTING STATIONS DISPOSED WITHIN THE WATER AT THE SAME FIXED DEPTH GREATER THAN THE DEPTH AT WHICH THE SHOT WAS FIRED AND MAKING A GRAPH THEREOF, (3) SENSING THE PARTICLE VELOCITY OF THE WATER ACCOMPANYING THE PRESSURE WAVE AT THE SAME DEPTH THE PRESSURE WAVE WAS DETECTED AND MAKING A GRAPH THEREOF,
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-05 | 1970-06-06 | 1970-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-05 | 1974-06-06 | 1974-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-05 | 1978-06-06 | 1978-12-06 | $7700.00 | Window Closed / Lapsed |