Patent US2968970A successfully refreshed from Google Patents.
US2968970A
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US
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Compensation of unbalance in centrifugal machines
Assignee: Individual
•
Filing: 1958-10-13
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Granted: 1961-01-24
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Expires: 1978-10-13
Abstract
No abstract record available.
Inventors
- 👤 Lepper Wilhelm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 16:34
CPC Classifications
D; D06; D06F; D06F37/00; D06F37/20; D06F37/22; D06F37/225; D06F37/24; D06F37/245; Y; Y10; Y10T; Y10T74/00; Y10T74/21; Y10T74/211; Y10T74/2114; Y10T74/2115
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US322069A
Cited
US1754252A
Cited
US1782561A
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US1970377A
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US2130160A
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US2361266A
Cited
US2356818A
Cited
US2525781A
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US2442397A
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US2471217A
Cited
GB732706A
Cited
US2831369A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-01-24 | 1964-07-25 | 1965-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-24 | 1968-07-25 | 1969-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-24 | 1972-07-25 | 1973-01-24 | $7700.00 | Window Closed / Lapsed |