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US3332300A Expired / Lapsed US ⏱️ 0.0 years remaining

Centrifugal equipment

Assignee: Dorr Oliver Inc
•
Filing: 1964-06-10
•
Granted: 1967-07-25
•
Expires: 1984-06-10
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Abstract

No abstract record available.

Inventors

  • 👤 Nyrop Per

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 18:53
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)

US1395193A Cited
US2490783A Cited
US2863560A Cited
US2676707A Cited
US2828649A Cited
US3013447A Cited

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

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