US3498905A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Continuous flow electrophoresis apparatus
Assignee: Beckman Coulter Inc
•
Filing: 1966-02-21
•
Granted: 1970-03-03
•
Expires: 1986-02-21
Abstract
No abstract record available.
Inventors
- 👤 Allen Strickler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:03
CPC Classifications
G; G01; G01N; G01N27/00; G01N27/26; G01N27/416; G01N27/447; G01N27/44756; G01N27/44769
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2555487A
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US2884367A
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US2875144A
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US2879217A
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US3085956A
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US3287244A
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US3125500A
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US3320148A
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US3226556A
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US3320149A
Cited
US3255100A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-02 | 1973-09-01 | 1974-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-02 | 1977-09-01 | 1978-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-02 | 1981-09-01 | 1982-03-03 | $7700.00 | Window Closed / Lapsed |