US3535624A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for inspecting the inside and outside of a tubular member continuously moving in one direction
Assignee: YUBOSCOPE Inc
•
Filing: 1967-06-13
•
Granted: 1970-10-20
•
Expires: 1987-06-13
Abstract
No abstract record available.
Inventors
- 👤 Fenton M Wood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:13
CPC Classifications
G; G01; G01N; G01N27/00; G01N27/72; G01N27/82; G01N27/90; G01N27/904
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US3271664A
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US3343079A
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US3401332A
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US3299350A
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US3287632A
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US3354385A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-19 | 1974-04-20 | 1974-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-19 | 1978-04-20 | 1978-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-19 | 1982-04-20 | 1982-10-20 | $7700.00 | Window Closed / Lapsed |