Patent US2378237A successfully refreshed from Google Patents.
US2378237A
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US
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Method and apparatus for ultrasonic testing
Assignee: Wingfoot Corp
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Filing: 1942-09-02
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Granted: 1945-06-12
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Expires: 1962-09-02
Abstract
No abstract record available.
Inventors
- 👤 Wilford E Morris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:03
CPC Classifications
G; G01; G01N; G01N29/00; G01N29/22; G01N29/26; G01N29/27; G01M; G01M17/00; G01M17/007; G01M17/02; G01M17/025; Y; Y10; Y10S; Y10S116/00; Y10S116/19
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1948-06-11 | 1948-12-11 | 1949-06-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-06-11 | 1952-12-11 | 1953-06-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-06-11 | 1956-12-11 | 1957-06-12 | $7700.00 | Window Closed / Lapsed |