US3249857A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Borehole investigating apparatus having a support member and transducer means enclosed in a compressively stressed sleeve member
Assignee: Services Petroliers Schlumberger SA
•
Filing: 1962-10-11
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Granted: 1966-05-03
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Expires: 1982-10-11
Abstract
No abstract record available.
Inventors
- 👤 Simon-Suisse Jean Charles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:54
CPC Classifications
G; G01; G01V; G01V3/00; G01V3/18; G01V3/26; G01V3/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
56 words
BOREHOLE INVESTIGATING APPARATUS COMPRISING: A SUPPORTING HEAD; AN ELONGATED SUPPORT MEMBER HAVING ONE END SECURED TO THE SUPPORTING HEAD; TRANSDUCER MEANS SECURED TO THE SUPPORT MEMBER; AN ELONGATED SLEEVE MEMBER ENCLOSING THE SUPPORT MEMBER AND TRANSDUCER MEANS AND HAVING ONE END ENGAGING THE SUPPORTING HEAD; AND SECURING MEANS ENGAGING THE OTHER END OF THE SLEEVE MEM-
Claim 2
Dependent Claim
56 words
BOREHOLE INVESTIGATING APPARATUS COMPRISING: A SUPPORTING HEAD; AN ELONGATED SUPPORT MEMBER HAVING ONE END SECURED TO THE SUPPORTING HEAD; TRANSDUCER MEANS SECURED TO THE SUPPORT MEMBER; AN ELONGATED SLEEVE MEMBER ENCLOSING THE SUPPORT MEMBER AND TRANSDUCER MEANS AND HAVING ONE END ENGAGING THE SUPPORTING HEAD; AND SECURING MEANS ENGAGING THE OTHER END OF THE SLEEVE MEM-
References Cited (Backward Citations)
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Cited
US1759780A
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US2949591A
Cited
US2986695A
Cited
US3066404A
Cited
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Cited
US2964698A
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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) | 1969-05-02 | 1969-11-01 | 1970-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-02 | 1973-11-01 | 1974-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-02 | 1977-11-01 | 1978-05-03 | $7700.00 | Window Closed / Lapsed |