US3235173A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Agitating and/or fractioning centrifuge
Assignee: Individual
•
Filing: 1961-07-24
•
Granted: 1966-02-15
•
Expires: 1981-07-24
Abstract
No abstract record available.
Inventors
- 👤 Unger Hans Peter Olof
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:23
CPC Classifications
B; B04; B04B; B04B5/00; B04B5/02; B01; B01F; B01F29/00; B01F29/30; B01F29/32; B01F29/321; B04B5/04; B04B5/0407; B04B5/0414
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
61 words
A MIXING APPARATUS COMPRISING, A CENTRIFUGE HAVING A HEAD ROTATIVE AROUND A VERTICAL AXIS, A PLURALITY OF FLUID CONTAINERS DISPOSED RADIALLY OF THE HEAD AND SUPPORTED FOR ROTATIVE MOVEMENT ABOUT AXES LOCATED ANGULARLY IN RESPECT TO THE AXIS OF ROTATION OF THE HEAD, AND A DRIVING DEVICE MOUNTED OVER THE CONTAINERS AN ARRANGED FOR RAISING AND LOWERING MOVEMENT AND ADAPTED WHEN
Claim 2
Dependent Claim
61 words
A MIXING APPARATUS COMPRISING, A CENTRIFUGE HAVING A HEAD ROTATIVE AROUND A VERTICAL AXIS, A PLURALITY OF FLUID CONTAINERS DISPOSED RADIALLY OF THE HEAD AND SUPPORTED FOR ROTATIVE MOVEMENT ABOUT AXES LOCATED ANGULARLY IN RESPECT TO THE AXIS OF ROTATION OF THE HEAD, AND A DRIVING DEVICE MOUNTED OVER THE CONTAINERS AN ARRANGED FOR RAISING AND LOWERING MOVEMENT AND ADAPTED WHEN
References Cited (Backward Citations)
US1566770A
Cited
US697255A
Cited
US1011929A
Cited
US2604261A
Cited
US2822127A
Cited
US2783938A
Cited
US2834541A
Cited
GB864410A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-14 | 1969-08-16 | 1970-02-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-14 | 1973-08-16 | 1974-02-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-14 | 1977-08-16 | 1978-02-15 | $7700.00 | Window Closed / Lapsed |