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US3496457A
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Signal normalization apparatus for pipeline logging
Assignee: YUBOSCOPE Inc
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Filing: 1967-11-03
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Granted: 1970-02-17
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Expires: 1987-11-03
Abstract
No abstract record available.
Inventors
- 👤 Noel B Proctor
- 👤 Ruby C Beaver
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 05:25
CPC Classifications
G; G01; G01N; G01N27/00; G01N27/72; G01N27/82; G01N27/90; G01N27/9046; G01N27/906
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2496103A
Cited
US2940302A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-16 | 1973-08-18 | 1974-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-16 | 1977-08-18 | 1978-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-16 | 1981-08-18 | 1982-02-17 | $7700.00 | Window Closed / Lapsed |