US2626746A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Centrifuge
Assignee: Individual
•
Filing: 1946-10-25
•
Granted: 1953-01-27
•
Expires: 1966-10-25
Abstract
No abstract record available.
Inventors
- 👤 Samuel L Abbott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:26
CPC Classifications
B; B04; B04B; B04B11/00; B04B11/02; Y; Y10; Y10S; Y10S494/00; Y10S494/902
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US748456A
Cited
US1071870A
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US1158959A
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US1074410A
Cited
US1190466A
Cited
US1232104A
Cited
US1456934A
Cited
US1643441A
Cited
US1749057A
Cited
US2044996A
Cited
US1873185A
Cited
US2228816A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-01-27 | 1956-07-28 | 1957-01-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-01-27 | 1960-07-28 | 1961-01-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-01-27 | 1964-07-28 | 1965-01-27 | $7700.00 | Window Closed / Lapsed |