US3199775A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sedimentation rate centrifuge and method determining sedimentation rate
Assignee: Individual
•
Filing: 1963-11-26
•
Granted: 1965-08-10
•
Expires: 1983-11-26
Abstract
No abstract record available.
Inventors
- 👤 Kenneth G Drucker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:40
CPC Classifications
G; G01; G01N; G01N15/00; G01N15/04; G01N15/05; B; B04; B04B; B04B5/00; B04B5/02; B04B5/04; B04B5/0407; B04B5/0414
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
A CENTRIFUGE COMPRISING: A MAIN ROTOR JOURNALED FOR ROTATION ABOUT A MAIN AXIS, A SECONDARY ROTOR CARRIED BY SAID MAIN ROTOR BEING RADIALLY FROM SAID AXIS, SAID SECONDARY ROTOR BEING JOURNALED ON SAID MAIN ROTOR ABOUT A SECONDARY AXIS INCLINED WITH RESPECT TO SAID MAIN AXIS, MEANS TO SUPPORT ON SAID SECONDARY ROTOR AN ELONGATED CONTAINER FOR MATERIAL TO BE CENTRIFUGED WITH SAID CONTAINER EXTENDING AXIALLY OF SAID SECONDARY ROTOR AND BEING SPACED RADIALLY OF SAID SECONDARY ROTOR FROM SAID SECONDARY AXIS, MEANS TO ROTATE SAID MAIN ROTOR ABOUT SAID MAIN AXIS, AND MEANS TO ROTATE SAID SECONDARY ROTOR ABOUT SAID SECONDARY AXIS RELATIVE TO SAID MAIN ROTOR IN ORDER TO PROVIDE SAID CONTAINER WITH PLANETARY ROTATION ABOUT SAID SECONDARY AXIS.
Claim 2
Dependent Claim
121 words
A CENTRIFUGE COMPRISING: A MAIN ROTOR JOURNALED FOR ROTATION ABOUT A MAIN AXIS, A SECONDARY ROTOR CARRIED BY SAID MAIN ROTOR BEING RADIALLY FROM SAID AXIS, SAID SECONDARY ROTOR BEING JOURNALED ON SAID MAIN ROTOR ABOUT A SECONDARY AXIS INCLINED WITH RESPECT TO SAID MAIN AXIS, MEANS TO SUPPORT ON SAID SECONDARY ROTOR AN ELONGATED CONTAINER FOR MATERIAL TO BE CENTRIFUGED WITH SAID CONTAINER EXTENDING AXIALLY OF SAID SECONDARY ROTOR AND BEING SPACED RADIALLY OF SAID SECONDARY ROTOR FROM SAID SECONDARY AXIS, MEANS TO ROTATE SAID MAIN ROTOR ABOUT SAID MAIN AXIS, AND MEANS TO ROTATE SAID SECONDARY ROTOR ABOUT SAID SECONDARY AXIS RELATIVE TO SAID MAIN ROTOR IN ORDER TO PROVIDE SAID CONTAINER WITH PLANETARY ROTATION ABOUT SAID SECONDARY AXIS.
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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) | 1968-08-09 | 1969-02-08 | 1969-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-09 | 1973-02-08 | 1973-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-09 | 1977-02-08 | 1977-08-10 | $7700.00 | Window Closed / Lapsed |