US3497690A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for classifying biological cells by measuring the size and fluorescent response thereof
Assignee: Bausch and Lomb Inc
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Filing: 1967-09-21
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Granted: 1970-02-24
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Expires: 1987-09-21
Abstract
No abstract record available.
Inventors
- 👤 Leon L Wheeless Jr
- 👤 George L Wied
- 👤 Stanley F Patten Jr
- 👤 Gunter F Bahr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:27
CPC Classifications
G; G01; G01N; G01N21/00; G01N21/62; G01N21/63; G01N21/64; G01N21/6428; G01N15/00; G01N15/10; G01N15/1031; G01N15/12; G01N15/14; G01N15/1429; G01N15/1433; G01N15/1468; G01N15/147; G01N2015/1029; G01N2015/1493
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3306156A
Cited
US3092722A
Cited
US3364358A
Cited
US3316896A
Cited
US3327117A
Cited
US3327119A
Cited
US3413464A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-23 | 1973-08-25 | 1974-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-23 | 1977-08-25 | 1978-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-23 | 1981-08-25 | 1982-02-24 | $7700.00 | Window Closed / Lapsed |