US3281767A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for continuous marine seismic surveying
Assignee: MARINE GEOPHYSICAL SERVICES CORP
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Filing: 1963-06-14
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Granted: 1966-10-25
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Expires: 1983-06-14
Abstract
No abstract record available.
Inventors
- 👤 Herbert B Cryar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 08:57
CPC Classifications
G; G01; G01V; G01V1/00; G01V1/38; G01V1/3808
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
IN CONTINUATION MARINE SURVEYING, THE METHOD COMPRISING (A) TOWING A PAIR OF HYDROPHONES BEHIND A VESSEL MOVING ALONG THE SURFACE OF THE WATER OVERLYING THE AREA OF INTEREST, (B) SIMULTANEOUSLY PULLING ONE OF THE HYDROPHONES TOWARD THE VESSEL AND PAYING OUT THE OTHER HYDROPHONE TO ALLOW IT TO APPROACH A CONDITION OF REST IN THE WATER, (E) INITIATING A SEISMIC IMPULSE FROM A MOVING SOURCE LOCATED AT A DISTANCE FROM THE HYDROPHONE AT REST AND DETECTING THE REFLECTIONS THEREFROM AT SUCH HYDROPHONE, AND (D) REVERSING THE DIRECTIONS OF MOVEMENT OF THE HYDROPHONES RELATIVE TO THE VESSEL AT TIMED INTERVALS AND REPEATING STEP (C) AFTER EACH REVERSAL.
Claim 2
Dependent Claim
106 words
IN CONTINUATION MARINE SURVEYING, THE METHOD COMPRISING (A) TOWING A PAIR OF HYDROPHONES BEHIND A VESSEL MOVING ALONG THE SURFACE OF THE WATER OVERLYING THE AREA OF INTEREST, (B) SIMULTANEOUSLY PULLING ONE OF THE HYDROPHONES TOWARD THE VESSEL AND PAYING OUT THE OTHER HYDROPHONE TO ALLOW IT TO APPROACH A CONDITION OF REST IN THE WATER, (E) INITIATING A SEISMIC IMPULSE FROM A MOVING SOURCE LOCATED AT A DISTANCE FROM THE HYDROPHONE AT REST AND DETECTING THE REFLECTIONS THEREFROM AT SUCH HYDROPHONE, AND (D) REVERSING THE DIRECTIONS OF MOVEMENT OF THE HYDROPHONES RELATIVE TO THE VESSEL AT TIMED INTERVALS AND REPEATING STEP (C) AFTER EACH REVERSAL.
References Cited (Backward Citations)
US2907416A
Cited
US2994397A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-24 | 1970-04-25 | 1970-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-24 | 1974-04-25 | 1974-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-24 | 1978-04-25 | 1978-10-25 | $7700.00 | Window Closed / Lapsed |