Patent US3334514A successfully refreshed from Google Patents.
US3334514A
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US
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Chromatographic column
Assignee: Technicon Corp
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Filing: 1964-12-16
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Granted: 1967-08-08
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Expires: 1984-12-16
Abstract
No abstract record available.
Inventors
- 👤 George N Catravas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:16
CPC Classifications
B; B01; B01J; B01J39/00; B01J39/26; G; G01; G01N; G01N30/00; G01N30/02; G01N30/26; G01N30/38; G01N30/60; G01N30/6004; G01N30/6017
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
AN ELUENT INLET FOR A CHROMATOGRAPHIC COLUMN HAVING A TUBE WITH AN OPEN END, COMPRISING: AN INLET ASSEMBLY FOR DISPOSITION WITHIN AND FOR CLOSING THE OPEN END OF THE TUBE INCLUDING A BODY MEANS HAVING AN INLET BORE WITH A RELATIVELY LARGE DIAMETER IN FLUID FLOW COMMUNICATION WITH THE OUTSIDE OF THE TUBE, A PLURALITY OF OUTLET BORES EACH WITH A RELATIVELY SMALL DIAMETER IN FLUID FLOW COMMUNICATION WITH THE INSIDE OF THE TUBE, AND A RELATIVELY LARGE PLURALITY OF PASSAGEWAYS OF RELATIVELY VERY SMALL DIAMETER COUPLING SAID INLET BORE WITH SAID PLURALITY OF OUTLET BORES.
Claim 2
Dependent Claim
96 words
AN ELUENT INLET FOR A CHROMATOGRAPHIC COLUMN HAVING A TUBE WITH AN OPEN END, COMPRISING: AN INLET ASSEMBLY FOR DISPOSITION WITHIN AND FOR CLOSING THE OPEN END OF THE TUBE INCLUDING A BODY MEANS HAVING AN INLET BORE WITH A RELATIVELY LARGE DIAMETER IN FLUID FLOW COMMUNICATION WITH THE OUTSIDE OF THE TUBE, A PLURALITY OF OUTLET BORES EACH WITH A RELATIVELY SMALL DIAMETER IN FLUID FLOW COMMUNICATION WITH THE INSIDE OF THE TUBE, AND A RELATIVELY LARGE PLURALITY OF PASSAGEWAYS OF RELATIVELY VERY SMALL DIAMETER COUPLING SAID INLET BORE WITH SAID PLURALITY OF OUTLET BORES.
References Cited (Backward Citations)
US2826908A
Cited
US3077103A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-08-07 | 1971-02-06 | 1971-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-07 | 1975-02-06 | 1975-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-07 | 1979-02-06 | 1979-08-08 | $7700.00 | Window Closed / Lapsed |