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Patent US3513092A successfully refreshed from Google Patents.
US3513092A
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Channel layer chromatography method
Assignee: United States Department of Health and Human Services
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Filing: 1969-04-29
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Granted: 1970-05-19
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Expires: 1989-04-29
Abstract
No abstract record available.
Inventors
- 👤 Mederic J Matherne Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:22
CPC Classifications
G; G01; G01N; G01N30/00; G01N30/90; G01N30/92; G01N30/93; Y; Y10; Y10S; Y10S210/00; Y10S210/902; Y10S210/911
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3194400A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-05-18 | 1973-11-17 | 1974-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-18 | 1977-11-17 | 1978-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-18 | 1981-11-17 | 1982-05-19 | $7700.00 | Window Closed / Lapsed |