US3201922A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chromatographic method
Assignee: Beckman Coulter Inc
•
Filing: 1962-02-07
•
Granted: 1965-08-24
•
Expires: 1982-02-07
Abstract
No abstract record available.
Inventors
- 👤 Villalobos Richard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:49
CPC Classifications
G; G01; G01N; G01N30/00; G01N30/02; G01N30/26; G01N30/38; G01N30/46; G01N30/466; G01N30/04; G01N30/16; G01N30/20; G01N30/40; G01N2030/382; G01N2030/385; G01N2030/407
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3097518A
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US3097519A
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US2868011A
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US3041869A
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US3030798A
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GB812538A
Cited
US2981092A
Cited
US3062038A
Cited
US3068686A
Cited
US3016106A
Cited
US3111835A
Cited
US3119251A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-23 | 1969-02-22 | 1969-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-23 | 1973-02-22 | 1973-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-23 | 1977-02-22 | 1977-08-24 | $7700.00 | Window Closed / Lapsed |