Patent US2882488A successfully refreshed from Google Patents.
US2882488A
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US
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Pipe inspection apparatus
Assignee: Tuboscope Co
•
Filing: 1954-06-01
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Granted: 1959-04-14
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Expires: 1974-06-01
Abstract
No abstract record available.
Inventors
- 👤 Price Berry Glenn
- 👤 Fenton M Wood
- 👤 Julian H Unger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 05:52
CPC Classifications
G; G01; G01N; G01N27/00; G01N27/72; G01N27/82; G01N27/90; G01N27/9093; E; E21; E21B; E21B17/00; E21B17/006
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2135675A
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US2540870A
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US2685672A
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US2719953A
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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) | 1962-04-13 | 1962-10-13 | 1963-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-13 | 1966-10-13 | 1967-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-13 | 1970-10-13 | 1971-04-14 | $7700.00 | Window Closed / Lapsed |