US2656714A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for nondestructive investigation of magnetostrictive solids
Assignee: MCPHAR ENGINEERING Co OF
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Filing: 1949-04-12
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Granted: 1953-10-27
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Expires: 1969-04-12
Abstract
No abstract record available.
Inventors
- 👤 William O Cartier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:00
CPC Classifications
G; G01; G01N; G01N29/00; G01N29/04; G01N29/043; G01N29/22; G01N29/24; G01N29/2412; G01N2291/00; G01N2291/04; G01N2291/042; G01N2291/0421; G01N2291/0422
Claims Analysis
Total Claims: 0
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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) | 1956-10-26 | 1957-04-27 | 1957-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-10-26 | 1961-04-27 | 1961-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-10-26 | 1965-04-27 | 1965-10-27 | $7700.00 | Window Closed / Lapsed |