US3832140A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automated apparatus for chemical analyses
Assignee: F Hoffmann La Roche AG
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Filing: 1972-04-24
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Granted: 1974-08-27
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Expires: 1992-04-24
Abstract
Abstract AN APPARATUS FOR AUTOMATICALLY PERFORMING CHEMICAL ANALYSES COMPRISING AT LEAST 2 UNIT-ASSEMBLY ELEMENTS EACH BEARING AT LEAST ONE ENDLESS CONVEYOR HAVING A SLIDING SURFACE WHICH HAS DISPOSED THEREON A NUMBER OF SAMPLE CONTAINERS AND WHICH IS ADAPTED FOR INTERMITTENT MOVEMENT OF THE SAMPLE CONTAINERS TO VARIOUS STATIONS FOR TREATMENT OR TESTING, IS DESCRIBED.
Inventors
- 👤 H Tschirky
- 👤 E Lorch
- 👤 P Sommer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 00:50
CPC Classifications
G; G01; G01N; G01N35/00; G01N35/02; G01N35/021
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) | 1977-08-26 | 1978-02-25 | 1978-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-08-26 | 1982-02-25 | 1982-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-08-26 | 1986-02-25 | 1986-08-27 | $7700.00 | Window Closed / Lapsed |