US3248046A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High speed rotor used for centrifugal separation
Assignee: Individual
•
Filing: 1965-07-02
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Granted: 1966-04-26
•
Expires: 1985-07-02
Abstract
No abstract record available.
Inventors
- 👤 Jr John P Feltman
- 👤 William J Piemonte
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:42
CPC Classifications
B; B04; B04B; B04B5/00; B04B5/04; B04B5/0407; B04B5/0414
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
A CENTRIFUGAL ROTOR COMPRISING A SOLID CORE WITH A BASE, SAID CORE COMPRISING A PLURALITY OF INTERNAL AND EXTERNAL LAYERS OF GLASS FIBER IMPREGNATED WITH A RESINOUS BINDER, THE EXTERNAL LAYERS OF SAID CORE BEING PROVIDED WITH AT LEAST TWO SMALL BOTTLE HOLDING BORES THAT ARE RADIALLY SPACED IN EQUAL AND DYNAMICALLY BALANCED RELATIONSHIP, SAID BORES EXTENDING RADIALLY INTO SAID ROTOR SO THAT THE BASE OF THE BORES ARE POSITIONED IN A GREATER DIAMETRICAL RELATION THAN THE UPPER PORTION OF SAID BORES.
Claim 2
Dependent Claim
82 words
A CENTRIFUGAL ROTOR COMPRISING A SOLID CORE WITH A BASE, SAID CORE COMPRISING A PLURALITY OF INTERNAL AND EXTERNAL LAYERS OF GLASS FIBER IMPREGNATED WITH A RESINOUS BINDER, THE EXTERNAL LAYERS OF SAID CORE BEING PROVIDED WITH AT LEAST TWO SMALL BOTTLE HOLDING BORES THAT ARE RADIALLY SPACED IN EQUAL AND DYNAMICALLY BALANCED RELATIONSHIP, SAID BORES EXTENDING RADIALLY INTO SAID ROTOR SO THAT THE BASE OF THE BORES ARE POSITIONED IN A GREATER DIAMETRICAL RELATION THAN THE UPPER PORTION OF SAID BORES.
References Cited (Backward Citations)
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Cited
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Cited
US2372983A
Cited
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Cited
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Cited
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Cited
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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) | 1969-04-25 | 1969-10-25 | 1970-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-25 | 1973-10-25 | 1974-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-25 | 1977-10-25 | 1978-04-26 | $7700.00 | Window Closed / Lapsed |