US2983184A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flow cell for colorimetry of a fluid
Assignee: Bayer Corp
•
Filing: 1955-06-17
•
Granted: 1961-05-09
•
Expires: 1975-06-17
Abstract
No abstract record available.
Inventors
- 👤 Jr Andres Ferrari
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:58
CPC Classifications
G; G01; G01N; G01N21/00; G01N21/01; G01N21/03; G01N21/05
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US814036A
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US1931968A
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US1900893A
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DE724121C
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FR837918A
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FR49913E
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US2288065A
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US2467599A
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US2549574A
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US2649011A
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US2686454A
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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) | 1964-05-08 | 1964-11-07 | 1965-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-08 | 1968-11-07 | 1969-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-08 | 1972-11-07 | 1973-05-09 | $7700.00 | Window Closed / Lapsed |