Patent US3103489A successfully refreshed from Google Patents.
US3103489A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plot wl-mcrarifuge apparatus
Assignee: —
•
Filing: —
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Granted: 1963-09-10
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Expires: 1980-09-10
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:39
CPC Classifications
B; B04; B04B; B04B5/00; B04B5/08; B04B11/00; B04B11/02; B04B5/04; B04B5/0442; B04B2005/0464
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
AN ULTRACENTRIFUGE APPARATUS INCLUDING A ROTOR ADAPTED TO BE DRIVEN AT RELATIVELY HIGH ROTATIVE VELOCITIES, MEANS FOR SUPPLYING A LIQUID TO THE INTERIOR OF SAID ROTOR AND REMOVING LIQUID THEREFROM, SAID LAST NAMED MEANS INCLUDING AN OUTLET AND AN INNER CONCENTRIC TUBE EACH HAVING ONE END SECURED FOR ROTATION WITH THE ROTOR AND IN COOPERATION DEFINING AN ANNULAR AND AN AXIAL PASSAGE COMMUNICATING WITH THE AXIAL PASSAGE AND AT LEAST ANOTHER SEALING MEMBER HAVING PASSAGES AT LEAST ONE OF WHICH COMMUNICATES WITH THE AXIAL PASSAGE AND AT LEAST ANOTHER ONE OF WHICH COMMUNICATES WITH THE ANNULAR PASSAGE, CUPSHAPED HOUSING MEANS CARRIED AT THE OTHER END OF SAID OUTER TUBE FOR SUPPORTING THE ROTARY SEALING MEMBER, MEANS COOPERATING BETWEEN SAID CUP-SHAPED HOUSING MEANS AND SAID ROTARY SEALING MEMBER FOR RESILIENTLY MOUNTING SAID
Claim 2
Dependent Claim
131 words
AN ULTRACENTRIFUGE APPARATUS INCLUDING A ROTOR ADAPTED TO BE DRIVEN AT RELATIVELY HIGH ROTATIVE VELOCITIES, MEANS FOR SUPPLYING A LIQUID TO THE INTERIOR OF SAID ROTOR AND REMOVING LIQUID THEREFROM, SAID LAST NAMED MEANS INCLUDING AN OUTLET AND AN INNER CONCENTRIC TUBE EACH HAVING ONE END SECURED FOR ROTATION WITH THE ROTOR AND IN COOPERATION DEFINING AN ANNULAR AND AN AXIAL PASSAGE COMMUNICATING WITH THE AXIAL PASSAGE AND AT LEAST ANOTHER SEALING MEMBER HAVING PASSAGES AT LEAST ONE OF WHICH COMMUNICATES WITH THE AXIAL PASSAGE AND AT LEAST ANOTHER ONE OF WHICH COMMUNICATES WITH THE ANNULAR PASSAGE, CUPSHAPED HOUSING MEANS CARRIED AT THE OTHER END OF SAID OUTER TUBE FOR SUPPORTING THE ROTARY SEALING MEMBER, MEANS COOPERATING BETWEEN SAID CUP-SHAPED HOUSING MEANS AND SAID ROTARY SEALING MEMBER FOR RESILIENTLY MOUNTING SAID
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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) | 1966-09-09 | 1967-03-11 | 1967-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-09 | 1971-03-11 | 1971-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-09 | 1975-03-11 | 1975-09-10 | $7700.00 | Window Closed / Lapsed |