US2474883A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic rotor balancing apparatus
Assignee: Unisys Corp
•
Filing: 1945-09-20
•
Granted: 1949-07-05
•
Expires: 1965-09-20
Abstract
No abstract record available.
Inventors
- 👤 Hughes M Zenor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 06:27
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)
US2322561A
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US1544521A
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US2243457A
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US2171927A
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US2243379A
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US2331733A
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US2327607A
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US2327608A
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US2327606A
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US2346975A
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US2327609A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-07-04 | 1953-01-03 | 1953-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-07-04 | 1957-01-03 | 1957-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-07-04 | 1961-01-03 | 1961-07-05 | $7700.00 | Window Closed / Lapsed |