US3010798A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chromatographic analyzing and recording apparatus and method
Assignee: Technicon Chromatography Corp
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Filing: 1955-11-21
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Granted: 1961-11-28
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Expires: 1975-11-21
Abstract
No abstract record available.
Inventors
- 👤 Edwin C Whitehead
- 👤 Jr Andres Ferrari
- 👤 Isreeli Jack
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:26
CPC Classifications
G; G01; G01N; G01N30/00; G01N30/02; G01N30/84; G01N30/62; G01N30/74; Y; Y10; Y10T; Y10T436/00; Y10T436/11; Y10T436/117497
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
127 words
APPARATUS OF THE CHARACTER DESCRIBED COMPRISING, A CHROMATOGRAPHY COLUMN HAVING AN INLET AND AN OUTLET, MEANS FOR SUPPLYING AN ELUTING LIQUID TO SAID INLET OF THE COLUMN, MEANS FOR SUPPLYING A REAGENT TO THE LIQUID DISCHARGED FROM THE OUTLET OF SAID COLUMN FOR MIXTURE WITH THE DISCHARGED LIQUID TO MODIFY THE COLOR OF THE LATTER WHILE THE DISCHARGED LIQUID CONTINUES TO FLOW FROM SAID OUTLET OF THE COLUMN, MEANS PROVIDING A FLOW PASSAGE FOR SAID LIQUID, COLORIMETER ANALYSIS MEANS THROUGH WHICH SAID LIQUID FLOWS FROM SAID PASSAGE, SAID COLORIMETER MEANS COMPRISING A PLURALITY OF LIGHT FILTERS, AND DRIVE MEANS FOR MOVING SAID FILTERS IN SUCCESSION INTO AND OUT OF LIGHT TRANSMITTING RELATION TO EACH SUCCESSIVE PORTIONS OF SAID LIQUID DURING THE FLOW THEREOF THROUGH SAID COLORIMETER MEANS.
Claim 2
Dependent Claim
127 words
APPARATUS OF THE CHARACTER DESCRIBED COMPRISING, A CHROMATOGRAPHY COLUMN HAVING AN INLET AND AN OUTLET, MEANS FOR SUPPLYING AN ELUTING LIQUID TO SAID INLET OF THE COLUMN, MEANS FOR SUPPLYING A REAGENT TO THE LIQUID DISCHARGED FROM THE OUTLET OF SAID COLUMN FOR MIXTURE WITH THE DISCHARGED LIQUID TO MODIFY THE COLOR OF THE LATTER WHILE THE DISCHARGED LIQUID CONTINUES TO FLOW FROM SAID OUTLET OF THE COLUMN, MEANS PROVIDING A FLOW PASSAGE FOR SAID LIQUID, COLORIMETER ANALYSIS MEANS THROUGH WHICH SAID LIQUID FLOWS FROM SAID PASSAGE, SAID COLORIMETER MEANS COMPRISING A PLURALITY OF LIGHT FILTERS, AND DRIVE MEANS FOR MOVING SAID FILTERS IN SUCCESSION INTO AND OUT OF LIGHT TRANSMITTING RELATION TO EACH SUCCESSIVE PORTIONS OF SAID LIQUID DURING THE FLOW THEREOF THROUGH SAID COLORIMETER MEANS.
References Cited (Backward Citations)
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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) | 1964-11-27 | 1965-05-29 | 1965-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-11-27 | 1969-05-29 | 1969-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-11-27 | 1973-05-29 | 1973-11-28 | $7700.00 | Window Closed / Lapsed |