US2549574A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for making fluorophotometric measurements
Assignee: Archer Daniels Midland Co
•
Filing: 1948-07-08
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Granted: 1951-04-17
•
Expires: 1968-07-08
Abstract
No abstract record available.
Inventors
- 👤 Condiff Howard Lee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:27
CPC Classifications
G; G01; G01N; G01N21/00; G01N21/62; G01N21/63; G01N21/64; G01N21/645; G01N2021/6482
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1412955A
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US1807659A
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FR783957A
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DE675911C
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US2344042A
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US2381414A
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US2451979A
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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) | 1954-04-16 | 1954-10-16 | 1955-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-16 | 1958-10-16 | 1959-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-16 | 1962-10-16 | 1963-04-17 | $7700.00 | Window Closed / Lapsed |