US2748074A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrophoretic microcell
Assignee: Eli Lilly and Co
•
Filing: 1951-08-31
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Granted: 1956-05-29
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Expires: 1971-08-31
Abstract
No abstract record available.
Inventors
- 👤 William W Davis
- 👤 Thomas V Parke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:21
CPC Classifications
G; G01; G01N; G01N27/00; G01N27/26; G01N27/416; G01N27/447; G01N27/44704; G01N27/44717; G01N27/44721; G01N21/00; G01N21/01; G01N21/03
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
A MICROCELL FOR RECEIVING SAMPLES IN ELECTROPHORETIC APPARATUS, COMPRISING A CYLINDRICAL GLASS TUBE HAVING A REFRACTIVE INDEX OF ABOUT 1.474 AND OF AN EXTERNAL DIAMETER OF SUBSTANTIALLY 7.5 M.M., AND HAVING A CYLINDRICAL BORE OF A DIAMETER OF SUBSTANTIALLY 1.75 MM. EXTENDING AXIALLY THERETHROUGH, SAID BORE BEING FILLED WITH AN AQUEOUS SAMPLE-CARRYING MEDIUM HAVING SUBSTANTIALLY THE REFRACTIVE INDEX OF A DILUTE SALT SOLUTION FOR RECEIVING A SAMPLE INTRODUCED THEREIN, AND SAID FILLED BORE SERVING ADDITIONAL-
Claim 2
Dependent Claim
75 words
A MICROCELL FOR RECEIVING SAMPLES IN ELECTROPHORETIC APPARATUS, COMPRISING A CYLINDRICAL GLASS TUBE HAVING A REFRACTIVE INDEX OF ABOUT 1.474 AND OF AN EXTERNAL DIAMETER OF SUBSTANTIALLY 7.5 M.M., AND HAVING A CYLINDRICAL BORE OF A DIAMETER OF SUBSTANTIALLY 1.75 MM. EXTENDING AXIALLY THERETHROUGH, SAID BORE BEING FILLED WITH AN AQUEOUS SAMPLE-CARRYING MEDIUM HAVING SUBSTANTIALLY THE REFRACTIVE INDEX OF A DILUTE SALT SOLUTION FOR RECEIVING A SAMPLE INTRODUCED THEREIN, AND SAID FILLED BORE SERVING ADDITIONAL-
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-29 | 1959-11-28 | 1960-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-29 | 1963-11-28 | 1964-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-29 | 1967-11-28 | 1968-05-29 | $7700.00 | Window Closed / Lapsed |