US2816445A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stroboscopic balance tester
Assignee: Westinghouse Electric Corp
•
Filing: 1953-08-17
•
Granted: 1957-12-17
•
Expires: 1973-08-17
Abstract
No abstract record available.
Inventors
- 👤 Rambo Sheldon Ivan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 01:47
CPC Classifications
G; G01; G01M; G01M1/00; G01M1/14; G01M1/16; G01M1/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2043484A
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US2310092A
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US2165024A
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US2243379A
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US2315578A
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US2491342A
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US2449651A
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US2521141A
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US2533567A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-12-16 | 1961-06-17 | 1961-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-12-16 | 1965-06-17 | 1965-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-12-16 | 1969-06-17 | 1969-12-17 | $7700.00 | Window Closed / Lapsed |