US3165266A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cell fractionator apparatus and method
Assignee: IVAN SORVALL Inc
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Filing: 1962-02-07
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Granted: 1965-01-12
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Expires: 1982-02-07
Abstract
No abstract record available.
Inventors
- 👤 Blum Josef
- 👤 Charles J Filz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:59
CPC Classifications
C; C12; C12N; C12N1/00; C12N1/06; C12N1/066; C12M; C12M47/00; C12M47/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
CELL FRACTIONATING APPARATUS COMPRISING A VALVE ASSEMBLY, FIRST MEANS FOR INTRODUCING A SUSPENSION OF CELLS UNDER PRESSURE INTO A SAID VALVE ASSEMBLY, SECOND MEANS FOR EMITTING FRACTIONATED CELLS FROM SAID ASSEMBLY, A VALVE POSITIONED BETWEEN SAID FIRST MEANS AND SAID SECOND MEANS, AN EXPANSION CHAMBER BETWEEN SAID VALVE AND SAID SECOND MEANS, AND THIRD MEANS CONNECTED TO SAID VALVE ASSEMBLY FOR CONTINUOUSLY CIRCULATING A COOLING MEDIUM IN SAID EXPANSION CHAMBER AND IN SAID VALVE.
Claim 2
Dependent Claim
74 words
CELL FRACTIONATING APPARATUS COMPRISING A VALVE ASSEMBLY, FIRST MEANS FOR INTRODUCING A SUSPENSION OF CELLS UNDER PRESSURE INTO A SAID VALVE ASSEMBLY, SECOND MEANS FOR EMITTING FRACTIONATED CELLS FROM SAID ASSEMBLY, A VALVE POSITIONED BETWEEN SAID FIRST MEANS AND SAID SECOND MEANS, AN EXPANSION CHAMBER BETWEEN SAID VALVE AND SAID SECOND MEANS, AND THIRD MEANS CONNECTED TO SAID VALVE ASSEMBLY FOR CONTINUOUSLY CIRCULATING A COOLING MEDIUM IN SAID EXPANSION CHAMBER AND IN SAID VALVE.
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) | 1968-01-12 | 1968-07-13 | 1969-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-01-12 | 1972-07-13 | 1973-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-01-12 | 1976-07-13 | 1977-01-12 | $7700.00 | Window Closed / Lapsed |