US2742629A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metallic coupling means for acoustic logging
Assignee: ExxonMobil Oil Corp
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Filing: 1952-01-11
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Granted: 1956-04-17
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Expires: 1972-01-11
Abstract
No abstract record available.
Inventors
- 👤 Gerald C Summers
- 👤 Robert A Broding
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:53
CPC Classifications
G; G01; G01V; G01V1/00; G01V1/40; G01V1/52
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
91 words
IN AN ACOUSTIC WELL LOGGING SYSTEM INCLUDING A PAIR OF CYLINDRICAL ACOUSTIC TRANSDUCER HOUSINGS AT EACH END OF SAID SYSTEM, THE IMPROVEMENT WHICH COMPRISES TENSIONCOMPRESSION BEARING MEANS OF CROSS-SECTIONAL AREA LESS THAN SAID HOUSING EXTENDING BETWEEN SAID HOUSINGS TO MAINTAIN THEM IN A PREDETERMINED SPACED APART RELATION AND FORMING AN EXTENDED ACOUSTIC TRANSMISSION PATH, A CONDUCTOR ACCOMMODATING CHANNEL EXTENDING BETWEEN SAID HOUSING THROUGH SAID TENSION-COMPRESSION BEARING MEANS, AND A SUBSTANTIALLY SOLID RESILIENT MEANS OF DIAMETER EQUAL TO THE DIAMETER OF SAID HOUSING DISPOSED IN LIQUID-TIGHT RELATION AROUND SAID TENSION-COMPRESSION BEARING MEMBER.
Claim 2
Dependent Claim
91 words
IN AN ACOUSTIC WELL LOGGING SYSTEM INCLUDING A PAIR OF CYLINDRICAL ACOUSTIC TRANSDUCER HOUSINGS AT EACH END OF SAID SYSTEM, THE IMPROVEMENT WHICH COMPRISES TENSIONCOMPRESSION BEARING MEANS OF CROSS-SECTIONAL AREA LESS THAN SAID HOUSING EXTENDING BETWEEN SAID HOUSINGS TO MAINTAIN THEM IN A PREDETERMINED SPACED APART RELATION AND FORMING AN EXTENDED ACOUSTIC TRANSMISSION PATH, A CONDUCTOR ACCOMMODATING CHANNEL EXTENDING BETWEEN SAID HOUSING THROUGH SAID TENSION-COMPRESSION BEARING MEANS, AND A SUBSTANTIALLY SOLID RESILIENT MEANS OF DIAMETER EQUAL TO THE DIAMETER OF SAID HOUSING DISPOSED IN LIQUID-TIGHT RELATION AROUND SAID TENSION-COMPRESSION BEARING MEMBER.
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) | 1959-04-17 | 1959-10-17 | 1960-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-17 | 1963-10-17 | 1964-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-17 | 1967-10-17 | 1968-04-17 | $7700.00 | Window Closed / Lapsed |