US3307333A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chromatographic columns
Assignee: Applied Biosystems Inc
•
Filing: 1963-10-31
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Granted: 1967-03-07
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Expires: 1983-10-31
Abstract
No abstract record available.
Inventors
- 👤 Stanley D Norem
- 👤 Richard D Condon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:56
CPC Classifications
G; G01; G01N; G01N30/00; G01N30/02; G01N30/50; G01N30/56; G01N30/60; G01N30/52; G01N2030/524; G01N2030/528; G01N30/26; G01N30/28; G01N30/32
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
66 words
A CHROMATOGRAPHIC COLUMN FOR THE SEPARATION OF COMPONENTS OF A MIXTURE COMPRISING: A HOLLOW MEMBER; A RANDOMLY INTERTWINED STRUCTURE OF FIBERS POSITIONED WITHIN SAID HOLLOW MEMBER, SAID FIBERS COATED WITH A SUBSTANCE WITH WHICH THE DIFFERENT COMPONENTS OF SAID MIXTURE HAVE DIFFERENT ATTRACTIONS, MEANS INCLUDING A CARRIER FLUID FOR FLOWING A SAMPLE INTO SAID COLUMN, AND MEANS TO DETECT THE SEPARATED COMPONENTS ELUTING FROM SAID COLUMN.
Claim 2
Dependent Claim
66 words
A CHROMATOGRAPHIC COLUMN FOR THE SEPARATION OF COMPONENTS OF A MIXTURE COMPRISING: A HOLLOW MEMBER; A RANDOMLY INTERTWINED STRUCTURE OF FIBERS POSITIONED WITHIN SAID HOLLOW MEMBER, SAID FIBERS COATED WITH A SUBSTANCE WITH WHICH THE DIFFERENT COMPONENTS OF SAID MIXTURE HAVE DIFFERENT ATTRACTIONS, MEANS INCLUDING A CARRIER FLUID FOR FLOWING A SAMPLE INTO SAID COLUMN, AND MEANS TO DETECT THE SEPARATED COMPONENTS ELUTING FROM SAID COLUMN.
References Cited (Backward Citations)
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US1841347A
Cited
US2178614A
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US2826265A
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-03-06 | 1970-09-05 | 1971-03-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-06 | 1974-09-05 | 1975-03-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-06 | 1978-09-05 | 1979-03-07 | $7700.00 | Window Closed / Lapsed |