US3676080A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for automatically analyzing liquids
Assignee: F Hoffmann La Roche AG
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Filing: 1968-12-05
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Granted: 1972-07-11
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Expires: 1988-12-05
Abstract
Abstract EACH GROUP OF REACTION VESSELS EMBODIED IN A TRANSPARENT BAND IS AUTOMATICALLY FILLED WITH THE LIQUID TO BE ANALYZED AND EACH VESSEL OF THE GROUP IS AUTOMATICALLY FILLED WITH A DIFFERENT ONE OF SEVERAL REAGENTS. EACH VESSEL IS THEN LED PAST AN INDIVIDUAL LIGH SOURCE AND PHOTOCELL, WHICH LATTER DETECTS THE REACTION AND SENDS A SIGNAL TO A CHART RECORDER OR OTHER SUITABLE DEVICE.
Inventors
- 👤 Roland Richterich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 04:56
CPC Classifications
G; G01; G01N; G01N21/00; G01N21/17; G01N21/25; G01N21/255; F; F02; F02B; F02B75/00; F02B75/28; G01N21/251; G01N21/253
Claims Analysis
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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) | 1975-07-11 | 1976-01-10 | 1976-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-07-11 | 1980-01-10 | 1980-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-07-11 | 1984-01-10 | 1984-07-11 | $7700.00 | Window Closed / Lapsed |