Patent US2299722A successfully refreshed from Google Patents.
US2299722A
Expired / Lapsed
US
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Method and apparatus for straining, bending, and vibration-detecting tests
Assignee: AG Spalding and Bros Inc
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Filing: 1939-08-07
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Granted: 1942-10-27
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Expires: 1959-08-07
Abstract
No abstract record available.
Inventors
- 👤 Lloyd E Burns
- 👤 Victor T Fahringer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:02
CPC Classifications
G; G01; G01M; G01M5/00; G01M5/0041; G01M5/005; G01M5/0066; G01M99/00; G01N; G01N3/00; G01N3/20; G01N33/00; G01N33/0078; G01N33/008
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) | 1945-10-26 | 1946-04-27 | 1946-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-10-26 | 1950-04-27 | 1950-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-10-26 | 1954-04-27 | 1954-10-27 | $7700.00 | Window Closed / Lapsed |