US2412602A
Expired / Lapsed
US
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Electrophoresis apparatus
Assignee: University of Pennsylvania
•
Filing: 1942-09-03
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Granted: 1946-12-17
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Expires: 1962-09-03
Abstract
No abstract record available.
Inventors
- 👤 Chambers Leslie Addison
- 👤 Hartline Haldan Keffer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:31
CPC Classifications
G; G01; G01N; G01N21/00; G01N21/17; G01N21/41; G01N21/45; G01N27/00; G01N27/26; G01N27/416; G01N27/447; G01N27/44704; G01N27/44717; G01N27/44721
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1949-12-16 | 1950-06-17 | 1950-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-12-16 | 1954-06-17 | 1954-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-12-16 | 1958-06-17 | 1958-12-17 | $7700.00 | Window Closed / Lapsed |