US3373602A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electronic scan ultrasonic inspection system
Assignee: Magnaflux Corp
•
Filing: 1964-11-30
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Granted: 1968-03-19
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Expires: 1984-11-30
Abstract
No abstract record available.
Inventors
- 👤 John A Wendt
- 👤 Bernard J Lefebvre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 07:45
CPC Classifications
G; G01; G01N; G01N29/00; G01N29/04; G01N29/06; G01N29/0609; G01N29/0618
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2615777A
Cited
US2848890A
Cited
GB736464A
Cited
US3063290A
Cited
GB912226A
Cited
US3169393A
Cited
US3285059A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-03-19 | 1971-09-18 | 1972-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-19 | 1975-09-18 | 1976-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-19 | 1979-09-18 | 1980-03-19 | $7700.00 | Window Closed / Lapsed |