US3286583A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Colorimeter flow cell and holder
Assignee: Bayer Corp
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Filing: 1962-06-22
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Granted: 1966-11-22
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Expires: 1982-06-22
Abstract
No abstract record available.
Inventors
- 👤 Ferrari Andres
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:04
CPC Classifications
G; G01; G01N; G01N21/00; G01N21/01; G01N21/03; G01N21/05
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
191 words
APPARATUS FOR THE COLORIMETRIC EXAMINATION OF A FLUID STREAM, COMPRISING: (A) A FLOW CELL HOLDER ADAPTED TO BE REMOVABLY MOUNTED IN A SPECTROPHOTOMETER AND HAVING A PAIR OF LATERALLY SPACED AND LONGITUDINALLY EXTENDING CONFRONTING SIDE MEMBERS, PROVIDING A SPACE THEREBETWEEN, (B) A TUBULAR FLOW CELL REMOVABLY MOUNTED ON SAID HOLDER IN SAID SPACE, (C) SAID TUBULAR FLOW CELL HAVING A LONGITUDINALLY EXTENDING SIDE WALL FOR PROVIDING A FLOW PATH AND AT LEAST ONE PORTION OF SAID SIDE WALL BEING LIGHT PERMEABLE, (D) AN ELONGATED SPRING MEMBER MOUNTED ON ONE OF SAID SIDE MEMBERS AND IN ENGAGEMENT WITH A PORTION OF SAID SIDE WALL OF SAID FLOW CELL DIFFERENT FROM SAID LIGHT PERMEABLE SIDE WALL PORTION, (E) ANOTHER SIDE WALL PORTION DIFFERENT FROM SAID LIGHT PERMEABLE SIDE WALL PORTON OF SAID FLOW CELL BEING IN ENGAGEMENT WITH THE OTHER SIDE MEMBER OF SAID HOLDER FOR RESILIENTLY HOLDING SAID FLOW CELL IN SAID MOUNTED POSITION ON SAID HOLDER, AND (F) ANOTHER ELONGATED SPRING MEMBER MOUNTED ON ONE OF SAID SIDE MEMBERS OF SAID HOLDER FOR ENGAGING A PART OF SAID SPECTROPHOTOMETER FOR RESILIENTLY HOLDING SAID HOLDER IN SAID MOUNTED POSITION IN SAID SPECTROPHOTOMETER.
Claim 2
Dependent Claim
191 words
APPARATUS FOR THE COLORIMETRIC EXAMINATION OF A FLUID STREAM, COMPRISING: (A) A FLOW CELL HOLDER ADAPTED TO BE REMOVABLY MOUNTED IN A SPECTROPHOTOMETER AND HAVING A PAIR OF LATERALLY SPACED AND LONGITUDINALLY EXTENDING CONFRONTING SIDE MEMBERS, PROVIDING A SPACE THEREBETWEEN, (B) A TUBULAR FLOW CELL REMOVABLY MOUNTED ON SAID HOLDER IN SAID SPACE, (C) SAID TUBULAR FLOW CELL HAVING A LONGITUDINALLY EXTENDING SIDE WALL FOR PROVIDING A FLOW PATH AND AT LEAST ONE PORTION OF SAID SIDE WALL BEING LIGHT PERMEABLE, (D) AN ELONGATED SPRING MEMBER MOUNTED ON ONE OF SAID SIDE MEMBERS AND IN ENGAGEMENT WITH A PORTION OF SAID SIDE WALL OF SAID FLOW CELL DIFFERENT FROM SAID LIGHT PERMEABLE SIDE WALL PORTION, (E) ANOTHER SIDE WALL PORTION DIFFERENT FROM SAID LIGHT PERMEABLE SIDE WALL PORTON OF SAID FLOW CELL BEING IN ENGAGEMENT WITH THE OTHER SIDE MEMBER OF SAID HOLDER FOR RESILIENTLY HOLDING SAID FLOW CELL IN SAID MOUNTED POSITION ON SAID HOLDER, AND (F) ANOTHER ELONGATED SPRING MEMBER MOUNTED ON ONE OF SAID SIDE MEMBERS OF SAID HOLDER FOR ENGAGING A PART OF SAID SPECTROPHOTOMETER FOR RESILIENTLY HOLDING SAID HOLDER IN SAID MOUNTED POSITION IN SAID SPECTROPHOTOMETER.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-21 | 1970-05-23 | 1970-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-21 | 1974-05-23 | 1974-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-21 | 1978-05-23 | 1978-11-22 | $7700.00 | Window Closed / Lapsed |