US3384733A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ultrasonic inspection system and apparatus for resistance welds and the like
Assignee: United States Department of the Army
•
Filing: 1964-07-20
•
Granted: 1968-05-21
•
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 06:35
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
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2433963A
Cited
US2700894A
Cited
US2830201A
Cited
US2728405A
Cited
US2957340A
Cited
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 |