US3202348A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Centrifuge having an improved centrifuge cell
Assignee: Individual
•
Filing: 1962-12-05
•
Granted: 1965-08-24
•
Expires: 1982-12-05
Abstract
No abstract record available.
Inventors
- 👤 Strohmaier Karl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:59
CPC Classifications
B; B04; B04B; B04B5/00; B04B5/04; B04B5/0407; B04B5/0414; B04B5/0421
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
132 words
A CENTRIFUGE COMPRISING A ROTATABLE MEMBER, AT LEAST ONE CUP PIVOTALLY CONNECTED SUITABLY NEAR ITS OPEN END TO SAID MEMBER TO SWING OUTWARDLY IN RESPONSE TO CENTRIFUGAL FORCE AS SAID MEMBER ROTATES, A CENTRIFUGE CELL IN THE FORM OF AN OPEN-ENDED, CLOSED BOTTOM TUBE DISPOSED WITH ITS CLOSED BOTTOM SEATED IN SAID CUP, SAID CUP BEING FREE TO SWING OUTWARDLY UNTIL THE LONGITUDINAL AXIS OF SAID CELL IS APPROXIMATELY HORIZONTAL, AND SAID CELL HAVING A PLURALITY OF PASSAGEWAYS IN ITS SIDE WALLS EXTENDING LENGTHWISE THEREOF, EACH PASSAGEWAY OPENING AT ONE END THROUGH THE OPEN END OF THE CELL, THE OTHER END OF ONE PASSAGEWAY OPENING INTO THE CLOSED BOTTOM OF THE CELL AND THE OTHER ENDS OF THE OTHER PASSAGEWAYS OPENING INTO THE INTERIOR OF THE CELL, EACH AT A DIFFERENT LEVEL.
Claim 2
Dependent Claim
132 words
A CENTRIFUGE COMPRISING A ROTATABLE MEMBER, AT LEAST ONE CUP PIVOTALLY CONNECTED SUITABLY NEAR ITS OPEN END TO SAID MEMBER TO SWING OUTWARDLY IN RESPONSE TO CENTRIFUGAL FORCE AS SAID MEMBER ROTATES, A CENTRIFUGE CELL IN THE FORM OF AN OPEN-ENDED, CLOSED BOTTOM TUBE DISPOSED WITH ITS CLOSED BOTTOM SEATED IN SAID CUP, SAID CUP BEING FREE TO SWING OUTWARDLY UNTIL THE LONGITUDINAL AXIS OF SAID CELL IS APPROXIMATELY HORIZONTAL, AND SAID CELL HAVING A PLURALITY OF PASSAGEWAYS IN ITS SIDE WALLS EXTENDING LENGTHWISE THEREOF, EACH PASSAGEWAY OPENING AT ONE END THROUGH THE OPEN END OF THE CELL, THE OTHER END OF ONE PASSAGEWAY OPENING INTO THE CLOSED BOTTOM OF THE CELL AND THE OTHER ENDS OF THE OTHER PASSAGEWAYS OPENING INTO THE INTERIOR OF THE CELL, EACH AT A DIFFERENT LEVEL.
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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) | 1968-08-23 | 1969-02-22 | 1969-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-23 | 1973-02-22 | 1973-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-23 | 1977-02-22 | 1977-08-24 | $7700.00 | Window Closed / Lapsed |