Patent US3202348A successfully refreshed from Google Patents.
US3202348A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Centrifuge having an improved centrifuge cell
Assignee: Individual
•
Filing: 1962-12-05
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Granted: 1965-08-24
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Expires: 1982-12-05
Abstract
No abstract record available.
Inventors
- 👤 Strohmaier Karl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:46
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.
References Cited (Backward Citations)
DE299909C
Cited
US562782A
Cited
US585936A
Cited
US676631A
Cited
US834014A
Cited
US974075A
Cited
US1196880A
Cited
FR480887A
Cited
US1340886A
Cited
US2351708A
Cited
US2436083A
Cited
US2661871A
Cited
DE1094488B
Cited
US2817970A
Cited
US2878994A
Cited
US2885145A
Cited
US2928591A
Cited
US3081029A
Cited
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 |