Patent US3401876A successfully refreshed from Google Patents.
US3401876A
Expired / Lapsed
US
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Mixing and decanting centrifuge
Assignee: Dade Reagents Inc
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Filing: 1966-07-25
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Granted: 1968-09-17
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Expires: 1986-07-25
Abstract
No abstract record available.
Inventors
- 👤 Lucas Victor Grifols
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:05
CPC Classifications
B; B04; B04B; B04B5/00; B04B5/04; B04B5/0442; B04B5/0407; B04B5/0414; B04B5/0421; B04B7/00; B04B7/02; C; C12; C12M; C12M47/00; C12M47/12; B04B2007/025
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) | 1971-09-17 | 1972-03-18 | 1972-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-17 | 1976-03-18 | 1976-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-17 | 1980-03-18 | 1980-09-17 | $7700.00 | Window Closed / Lapsed |