Patent US3364463A successfully refreshed from Google Patents.
US3364463A
Expired / Lapsed
US
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Well logging tool
Assignee: Schlumberger Technology Corp
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Filing: 1966-07-01
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Granted: 1968-01-16
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Expires: 1986-07-01
Abstract
No abstract record available.
Inventors
- 👤 George H Pardue
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:26
CPC Classifications
G; G01; G01V; G01V1/00; G01V1/40; G01V1/52; G01V1/523; Y; Y10; Y10S; Y10S367/00; Y10S367/911
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
61 words
SONIC WELL-LOGGING APPARATUS COMPRISING: AT LEAST TWO SONIC TRANSDUCERS; MEANS FOR SPACING SAID TRANSDUCERS FROM ONE ANOTHER AND ATTENUATING TRAVEL OF SONIC ENERGY THEREBETWEEN INCLUDING A PLURALITY OF RIGID MEMBERS STACKED INTO A COLUMN BETWEEN SAID TRANSDUCERS AND SPACING MEANS INTERPOSED BETWEEN SAID RIGID MEMBERS, SAID SPACING MEANS HAVING A LESSER TRANSVERSE CROSS-SECTIONAL AREA THAN SAID RIGID MEMBERS; AND MEANS INTERCONNECTING
Claim 2
Dependent Claim
61 words
SONIC WELL-LOGGING APPARATUS COMPRISING: AT LEAST TWO SONIC TRANSDUCERS; MEANS FOR SPACING SAID TRANSDUCERS FROM ONE ANOTHER AND ATTENUATING TRAVEL OF SONIC ENERGY THEREBETWEEN INCLUDING A PLURALITY OF RIGID MEMBERS STACKED INTO A COLUMN BETWEEN SAID TRANSDUCERS AND SPACING MEANS INTERPOSED BETWEEN SAID RIGID MEMBERS, SAID SPACING MEANS HAVING A LESSER TRANSVERSE CROSS-SECTIONAL AREA THAN SAID RIGID MEMBERS; AND MEANS INTERCONNECTING
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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) | 1971-01-15 | 1971-07-17 | 1972-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-15 | 1975-07-17 | 1976-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-15 | 1979-07-17 | 1980-01-16 | $7700.00 | Window Closed / Lapsed |