Patent US3239136A successfully refreshed from Google Patents.
US3239136A
Expired / Lapsed
US
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Centrifuge and centrifuge head for separating constituents of a liquid and a liner therefor
Assignee: Individual
•
Filing: 1962-05-07
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Granted: 1966-03-08
•
Expires: 1982-05-07
Abstract
No abstract record available.
Inventors
- 👤 George N Hein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:13
CPC Classifications
B; B04; B04B; B04B1/00; B04B5/00; B04B5/04; B04B5/0407; B04B5/0428; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17666; Y10T279/17692; Y10T279/17743; Y10T279/17752
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
A CENTRIFUGE FOR SEPARATING CONSTITUENTS FO A LIQUID MATERIAL COMPRISING: A MOTOR HAVING AN OUTPUT SHAFT; AND A CENTRIFUGAL HEAD COUPLED FOR ROTATION TO SAID SHAFT, AND PROVIDING A RECESS, A SEPARATE REMOVABLE LINER IN SAID RECESS HAVING A CAVITY FOR THE HOUSING OF THE LIQUID MAERIAL TO BE CENTRIFUGAL, A DISPLACEABLE PLUNGER DEFINING PART OF SAID RECESS, AND PLUNGER LOCATING MEANS FOR COOPERATING IN DETERMINING PLUNGER POSITIONING IN SAID RECESS PRIOR TO AND DURING SEPARATION OF THE LIQUID CONSTITUENTS DURING ROTATION OF SAID HEAD, AND SELF-CONTAINED
Claim 2
Dependent Claim
87 words
A CENTRIFUGE FOR SEPARATING CONSTITUENTS FO A LIQUID MATERIAL COMPRISING: A MOTOR HAVING AN OUTPUT SHAFT; AND A CENTRIFUGAL HEAD COUPLED FOR ROTATION TO SAID SHAFT, AND PROVIDING A RECESS, A SEPARATE REMOVABLE LINER IN SAID RECESS HAVING A CAVITY FOR THE HOUSING OF THE LIQUID MAERIAL TO BE CENTRIFUGAL, A DISPLACEABLE PLUNGER DEFINING PART OF SAID RECESS, AND PLUNGER LOCATING MEANS FOR COOPERATING IN DETERMINING PLUNGER POSITIONING IN SAID RECESS PRIOR TO AND DURING SEPARATION OF THE LIQUID CONSTITUENTS DURING ROTATION OF SAID HEAD, AND SELF-CONTAINED
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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) | 1969-03-07 | 1969-09-06 | 1970-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-07 | 1973-09-06 | 1974-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-07 | 1977-09-06 | 1978-03-08 | $7700.00 | Window Closed / Lapsed |