Patent US1837192A successfully refreshed from Google Patents.
Patent US3332300A successfully refreshed from Google Patents.
US3332300A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Centrifugal equipment
Assignee: Dorr Oliver Inc
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Filing: 1964-06-10
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Granted: 1967-07-25
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Expires: 1984-06-10
Abstract
No abstract record available.
Inventors
- 👤 Nyrop Per
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 19:07
CPC Classifications
B; B04; B04B; B04B3/00; B04B3/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
IN A CENTRIFUGAL PROCESSING APPPARATUS HAVING AN OUTER ROTARY MEMBER, A COAXIAL INNER ROTARY MEMBER, AND A COAXIAL, DIFFERENTIAL-SPEED CYCLOID DRIVE UNIT AT THE DISCHARGE END OF SAID ROTARY MEMBERS HAVING AN ECCENTRIC, A CYLOID DISC MOUNTED ABOUT SAID ECCENTRIC, A CYCLOID CAGE ENGAGING THE PERIPHERY OF SAID DISC, FIRST MEANS COAXIAL WITH SAID OUTER ROTARY MEMBER AND CONNECTING SAID OUTER ROTARY MEMBER AT THE DISCHARGE END THEREOF TO SAID DISC TO ROTATE ONE FOR ONE THEREWITH, AND SECOND MEANS CONNECTING SAID CYCLOID CAGE TO SAID INNER ROTARY MEMBER.
Claim 2
Dependent Claim
89 words
IN A CENTRIFUGAL PROCESSING APPPARATUS HAVING AN OUTER ROTARY MEMBER, A COAXIAL INNER ROTARY MEMBER, AND A COAXIAL, DIFFERENTIAL-SPEED CYCLOID DRIVE UNIT AT THE DISCHARGE END OF SAID ROTARY MEMBERS HAVING AN ECCENTRIC, A CYLOID DISC MOUNTED ABOUT SAID ECCENTRIC, A CYCLOID CAGE ENGAGING THE PERIPHERY OF SAID DISC, FIRST MEANS COAXIAL WITH SAID OUTER ROTARY MEMBER AND CONNECTING SAID OUTER ROTARY MEMBER AT THE DISCHARGE END THEREOF TO SAID DISC TO ROTATE ONE FOR ONE THEREWITH, AND SECOND MEANS CONNECTING SAID CYCLOID CAGE TO SAID INNER ROTARY MEMBER.
References Cited (Backward Citations)
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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) | 1970-07-24 | 1971-01-23 | 1971-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-24 | 1975-01-23 | 1975-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-24 | 1979-01-23 | 1979-07-25 | $7700.00 | Window Closed / Lapsed |