US3048031A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for automatically correcting the variables in the ultrasonic testing of materials
Assignee: Institut de Recherches de la Siderurgie Francaise IRSID
•
Filing: 1957-02-14
•
Granted: 1962-08-07
•
Expires: 1977-02-14
Abstract
No abstract record available.
Inventors
- 👤 Beaujard Louis
- 👤 Maeder Charles Rene
- 👤 Pinard Jacques Andre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:55
CPC Classifications
G; G01; G01N; G01N29/00; G01N29/22; G01N29/30; G01S; G01S1/00; G01S1/72
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-06 | 1966-02-05 | 1966-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-06 | 1970-02-05 | 1970-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-06 | 1974-02-05 | 1974-08-07 | $7700.00 | Window Closed / Lapsed |