Patent US2821194A successfully refreshed from Google Patents.
US2779217A
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Automatic machine to test and correct for dynamic unbalance
Assignee: Tinius Olsen Testing Machine Co
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Filing: 1951-12-11
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Granted: 1957-01-29
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Expires: 1971-12-11
Abstract
No abstract record available.
Inventors
- 👤 Jr John R Stovall
- 👤 George C Lawrie
- 👤 Albert F Craig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:57
CPC Classifications
G; G01; G01M; G01M1/00; G01M1/14; G01M1/16; G01M1/24; Y; Y10; Y10T; Y10T408/00; Y10T408/05; Y10T408/08; Y10T408/16; Y10T408/17; Y10T408/173
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1491523A
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US1766118A
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DE591557C
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US2123443A
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US2243379A
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US2235393A
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US2359470A
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US2492092A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-01-29 | 1960-07-30 | 1961-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-29 | 1964-07-30 | 1965-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-29 | 1968-07-30 | 1969-01-29 | $7700.00 | Window Closed / Lapsed |