Patent US2925503A successfully refreshed from Google Patents.
US2925503A
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Vibration test apparatus
Assignee: CALIDYNE Co Inc
•
Filing: 1956-03-06
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Granted: 1960-02-16
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Expires: 1976-03-06
Abstract
No abstract record available.
Inventors
- 👤 Philip C Efromson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:25
CPC Classifications
F; F16; F16C; F16C29/00; B; B23; B23Q; B23Q1/00; B23Q1/25; B23Q1/26; B23Q1/34; B23Q1/36; G; G01; G01M; G01M7/00; G01M7/02; G01M7/04; H; H02; H02K; H02K33/00; H02K33/18; F16C2322/00; F16C2322/39
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1797253A
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US1821586A
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US2231675A
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US2210692A
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US2336930A
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US2596048A
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US2403034A
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US2705761A
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US2846598A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-02-15 | 1963-08-17 | 1964-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-02-15 | 1967-08-17 | 1968-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-02-15 | 1971-08-17 | 1972-02-16 | $7700.00 | Window Closed / Lapsed |