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US3439530A
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Multi-scan ultrasonic testing apparatus
Assignee: Magnaflux Corp
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Filing: 1966-01-10
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Granted: 1969-04-22
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Expires: 1986-01-10
Abstract
No abstract record available.
Inventors
- 👤 John J Flaherty
- 👤 Peter J Rosauer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:23
CPC Classifications
G; G01; G01N; G01N29/00; G01N29/04; G01N29/06; G01N29/0609; G01N29/0618; G01N29/0627; A; A61; A61B; A61B8/00; A61B8/08; A61B8/0808; G01N29/0645; Y; Y10; Y10S; Y10S73/00; Y10S73/90
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3086390A
Cited
US3308652A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-04-21 | 1972-10-21 | 1973-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-21 | 1976-10-21 | 1977-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-21 | 1980-10-21 | 1981-04-22 | $7700.00 | Window Closed / Lapsed |