US3460028A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pipeline inspection apparatus with means for correlating the recorded defect signals with the angular position within the pipeline at which they were generated
Assignee: YUBOSCOPE Inc
•
Filing: 1967-11-03
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Granted: 1969-08-05
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Expires: 1987-11-03
Abstract
No abstract record available.
Inventors
- 👤 Ruby C Beaver
- 👤 Fenton M Wood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:10
CPC Classifications
G; G01; G01N; G01N27/00; G01N27/72; G01N27/82; G01N27/90; G01N27/9073; F; F16; F16L; F16L2101/00; F16L2101/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US840148A
Cited
US2300999A
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US2564018A
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US2921380A
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US3064127A
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US2998566A
Cited
US3238448A
Cited
US3284701A
Cited
US3295219A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-08-04 | 1973-02-03 | 1973-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-04 | 1977-02-03 | 1977-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-04 | 1981-02-03 | 1981-08-05 | $7700.00 | Window Closed / Lapsed |