US2814944A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Centrifugal testing apparatus for instruments
Assignee: GENISCO Inc
•
Filing: 1954-11-04
•
Granted: 1957-12-03
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Expires: 1974-11-04
Abstract
No abstract record available.
Inventors
- 👤 Ralph E Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 04:02
CPC Classifications
G; G01; G01M; G01M99/00; G01M99/004; Y; Y10; Y10T; Y10T74/00; Y10T74/21; Y10T74/2121; Y10T74/213
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2070623A
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US2088613A
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US2238989A
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US2179247A
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US2420592A
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US2465437A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-12-02 | 1961-06-03 | 1961-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-12-02 | 1965-06-03 | 1965-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-12-02 | 1969-06-03 | 1969-12-03 | $7700.00 | Window Closed / Lapsed |