Patent US3575487A successfully refreshed from Google Patents.
Patent US3744973A successfully refreshed from Google Patents.
US3744973A
Expired / Lapsed
US
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Chromatographic detection apparatus
Assignee: Czech Academy of Sciences
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Filing: 1971-08-11
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Granted: 1973-07-10
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Expires: 1991-08-11
Abstract
Abstract APPARATUS FOR CHROMATOGRAPHIC DETECTION INCLUDING MEANS FOR TRANSFERRING A PHASE SEPARATED IN A CHROMATOGRAPHIC COLUMN FROM SAID COLUMN TO A DETECTOR; THE TRANSFERRING MEANS COMPRISES A ROTATING BODY WITH A COLLECTING SURFACE RECEIVING THE SEPARATED PHASE FROM THE COLUMN AND CONVEYING IT TO THE DETECTOR FOR EVALUATION.
Inventors
- 👤 H Dubsky
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:20
CPC Classifications
G; G01; G01N; G01N30/00; G01N30/02; G01N30/62; G01N30/64; G01N30/68; G01N30/84; G01N2030/8411; G01N2030/8417; G01N2030/8429; G01N2030/8435
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-07-09 | 1977-01-08 | 1977-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-07-09 | 1981-01-08 | 1981-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-07-09 | 1985-01-08 | 1985-07-10 | $7700.00 | Window Closed / Lapsed |