Patent GB760179A successfully refreshed from Google Patents.
US2577647A
Expired / Lapsed
US
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Centrifugal machine
Assignee: Motors Liquidation Co
•
Filing: 1945-08-17
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Granted: 1951-12-04
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Expires: 1965-08-17
Abstract
No abstract record available.
Inventors
- 👤 Clark Kendall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:33
CPC Classifications
D; D06; D06F; D06F13/00; D06F13/04; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/1836; Y10T74/18368
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US330345A
Cited
US1483326A
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US1641780A
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US2130160A
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US2186263A
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US2302012A
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US2296260A
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US2313928A
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US2346158A
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US2375635A
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US2366236A
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US2361266A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-12-03 | 1955-06-04 | 1955-12-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-03 | 1959-06-04 | 1959-12-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-03 | 1963-06-04 | 1963-12-04 | $7700.00 | Window Closed / Lapsed |