US2461674A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Centrifuge apparatus for obtaining blood plasma
Assignee: Individual
•
Filing: 1944-07-25
•
Granted: 1949-02-15
•
Expires: 1964-07-25
Abstract
No abstract record available.
Inventors
- 👤 Aronson William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:55
CPC Classifications
B; B04; B04B; B04B5/00; B04B5/04; B04B5/0442
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US573090A
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US534367A
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US686642A
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US744617A
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US978238A
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FR413288A
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US1737287A
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USRE16162E
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US2111508A
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US2202163A
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US2337291A
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US2308516A
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US2357238A
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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) | 1952-02-15 | 1952-08-16 | 1953-02-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-02-15 | 1956-08-16 | 1957-02-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-02-15 | 1960-08-16 | 1961-02-15 | $7700.00 | Window Closed / Lapsed |