Patent US2778243A successfully refreshed from Google Patents.
US2778243A
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Device for automatic balancing of rotating machine parts
Assignee: BBC Brown Boveri AG Germany
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Filing: 1953-06-22
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Granted: 1957-01-22
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Expires: 1973-06-22
Abstract
No abstract record available.
Inventors
- 👤 Darrieus Georges
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 07:23
CPC Classifications
F; F16; F16F; F16F15/00; F16F15/32; F16F15/36; G; G01; G01M; G01M1/00; G01M1/30; G01M1/36; Y; Y10; Y10T; Y10T74/00; Y10T74/21; Y10T74/2121; Y10T74/2122; Y10T74/2123
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-01-22 | 1960-07-23 | 1961-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-22 | 1964-07-23 | 1965-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-22 | 1968-07-23 | 1969-01-22 | $7700.00 | Window Closed / Lapsed |