Patent US3384733A successfully refreshed from Google Patents.
US3384733A
Expired / Lapsed
US
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Ultrasonic inspection system and apparatus for resistance welds and the like
Assignee: United States Department of the Army
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Filing: 1964-07-20
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Granted: 1968-05-21
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Expires: 1984-07-20
Abstract
No abstract record available.
Inventors
- 👤 George E Burbank
- 👤 Wallace D Taylor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 10:19
CPC Classifications
G; G01; G01N; G01N29/00; G01N29/04; G01N29/11; G01N2291/00; G01N2291/02; G01N2291/028; G01N2291/02863; G01N2291/04; G01N2291/048; G01N2291/10; G01N2291/102; G01N2291/26; G01N2291/267; G01N2291/2672
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2433963A
Cited
US2700894A
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US2830201A
Cited
US2728405A
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US2957340A
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US3146350A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-21 | 1971-11-20 | 1972-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-21 | 1975-11-20 | 1976-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-21 | 1979-11-20 | 1980-05-21 | $7700.00 | Window Closed / Lapsed |