Patent US3233825A successfully refreshed from Google Patents.
US3233825A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-contained centrifuge
Assignee: Individual
•
Filing: 1963-02-11
•
Granted: 1966-02-08
•
Expires: 1983-02-11
Abstract
No abstract record available.
Inventors
- 👤 Lomb Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 07:41
CPC Classifications
B; B04; B04B; B04B5/00; B04B5/04; B04B5/0407; B04B5/0414; B04B9/00; B04B9/02; B04B9/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
A CENTRIFUGE COMPRISING A VERTICAL CYLINDRICAL TUBULAR POST, AN ELECTRIC MOTOR INCLUDING A VERTICAL DRIVE SHAFT COAXIAL WITH SAID POST, A FRUSTO-CONICAL SHELL COAXIAL WITH SAID DRIVE SHAFT AND INCLUDING A FIRST END WALL HAVING A CENTRAL OPENING FORMED THEREIN, A BEARING COLLAR REGISTERING WITH SAID CENTRAL OPENING AND ROTATABLY ENGAGING SAID TUBULAR POST, MEANS FOR EFFECTING A DRIVE COUPLING BETWEEN SAID DRIVE SHAFT AND SAID SHELL ADJACENT TO AN END OF SAID SHELL OPPOSITE SAID FIRST END WALL. SAID DRIVE MOTOR BEING DISPOSED WITHIN AND SPACED FROM THE PERIPPERAL WALL OF SAID SHELL AND BEING MOUNTED ON SAID POST, AND A GUIDE MEMBER WITHIN SAID SHELL MOUNTED OVER SAID DRIVE MOTOR AND ADAPTED TO SEAT THE UPPER END OF A TUBULAR OBJECT THE CONTENTS OF WHICH ARE TO BE CENTRIFUGED.
Claim 2
Dependent Claim
131 words
A CENTRIFUGE COMPRISING A VERTICAL CYLINDRICAL TUBULAR POST, AN ELECTRIC MOTOR INCLUDING A VERTICAL DRIVE SHAFT COAXIAL WITH SAID POST, A FRUSTO-CONICAL SHELL COAXIAL WITH SAID DRIVE SHAFT AND INCLUDING A FIRST END WALL HAVING A CENTRAL OPENING FORMED THEREIN, A BEARING COLLAR REGISTERING WITH SAID CENTRAL OPENING AND ROTATABLY ENGAGING SAID TUBULAR POST, MEANS FOR EFFECTING A DRIVE COUPLING BETWEEN SAID DRIVE SHAFT AND SAID SHELL ADJACENT TO AN END OF SAID SHELL OPPOSITE SAID FIRST END WALL. SAID DRIVE MOTOR BEING DISPOSED WITHIN AND SPACED FROM THE PERIPPERAL WALL OF SAID SHELL AND BEING MOUNTED ON SAID POST, AND A GUIDE MEMBER WITHIN SAID SHELL MOUNTED OVER SAID DRIVE MOTOR AND ADAPTED TO SEAT THE UPPER END OF A TUBULAR OBJECT THE CONTENTS OF WHICH ARE TO BE CENTRIFUGED.
References Cited (Backward Citations)
US1769889A
Cited
DE557084C
Cited
US1730776A
Cited
US2699289A
Cited
US2878992A
Cited
US3028075A
Cited
US3168473A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-07 | 1969-08-09 | 1970-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-07 | 1973-08-09 | 1974-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-07 | 1977-08-09 | 1978-02-08 | $7700.00 | Window Closed / Lapsed |