US3483466A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pipeline inspection apparatus for detection of longitudinal defects
Assignee: YUBOSCOPE Inc
•
Filing: 1967-11-03
•
Granted: 1969-12-09
•
Expires: 1987-11-03
Abstract
No abstract record available.
Inventors
- 👤 Alfred E Crouch
- 👤 Ruby C Beaver
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 02:03
CPC Classifications
G; G01; G01N; G01N27/00; G01N27/72; G01N27/82; G01N27/90; G01N27/904
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1966984A
Cited
US1896737A
Cited
US2124579A
Cited
US2684464A
Cited
US2770773A
Cited
FR1147822A
Cited
US3015063A
Cited
US3243697A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-08 | 1973-06-09 | 1973-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-08 | 1977-06-09 | 1977-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-08 | 1981-06-09 | 1981-12-09 | $7700.00 | Window Closed / Lapsed |