US3283483A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Packed columns for chromatography
Assignee: Beckman Coulter Inc
•
Filing: 1965-03-11
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Granted: 1966-11-08
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Expires: 1985-03-11
Abstract
No abstract record available.
Inventors
- 👤 Halasz Istvan
- 👤 Heine Erwin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:36
CPC Classifications
G; G01; G01N; G01N30/00; G01N30/02; G01N30/50; G01N30/56; G01N30/26; G01N30/38; G01N2030/387; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49908; Y10T29/49925; Y10T29/49934
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US343369A
Cited
US1654925A
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US2325061A
Cited
US3005514A
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US3050920A
Cited
US3170969A
Cited
US3182394A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-07 | 1970-05-09 | 1970-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-07 | 1974-05-09 | 1974-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-07 | 1978-05-09 | 1978-11-08 | $7700.00 | Window Closed / Lapsed |