US3149941A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chromatography apparatus
Assignee: Consolidated Electrodynamics Corp
•
Filing: 1957-12-30
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Granted: 1964-09-22
•
Expires: 1977-12-30
Abstract
No abstract record available.
Inventors
- 👤 Edward S Barnitz
- 👤 Monte L Marks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:39
CPC Classifications
G; G01; G01N; G01N30/00; G01N30/02; G01N30/26; G01N30/38; G01N30/60; G01N30/6034; G01N30/6039; G01N30/62; G01N2030/621; G01N2030/625; G01N30/64; G01N30/66
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2118290A
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US2502545A
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US2650269A
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US2839152A
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US2841005A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-22 | 1968-03-23 | 1968-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-22 | 1972-03-23 | 1972-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-22 | 1976-03-23 | 1976-09-22 | $7700.00 | Window Closed / Lapsed |