US3346479A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparative separation by a combination of gel separation and electrophoresis
Assignee: Scientific Industries Inc
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Filing: 1964-04-09
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Granted: 1967-10-10
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Expires: 1984-04-09
Abstract
No abstract record available.
Inventors
- 👤 Natelson Samuel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 03:51
CPC Classifications
G; G01; G01N; G01N27/00; G01N27/26; G01N27/416; G01N27/447; G01N27/44756
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
AN INSTRUMENT FOR PREPARATIVE GEL ELECTROPHORESIS, COMPRISING IN COMBINATION; AN ELONGATED HOLLOW CURVILINEAR SEPARATION ZONE DEFINED BY OUTER AND INNER HOLLOW COMPONENTS, THE OUTER COMPONENT FORMING A ZONE HOUSING INCLUDING AN OUTER JACKET WITH A INNER WALL SPACED FROM SAID JACKET TO FORM AN OUTER COOLING ZONE THEREINBETWEEN, THE INNER COMPONENT BEING AXIALLY ALIGNED WITH SAID INNER WALL AND SLIGHTLY SPACED THEREFROM, SAID INNER COMPONENT BEING HOLLOW FORMING AN INNER COOLING CHAMBER; FIRST AND SECOND BUFFER TANKS COUPLED TO ONE AND THE OTHER END OF SAID ZONE; FIRST AND SECOND ELECTRODES AND ELECTRICAL LEADS FROM SAID FIRST AND SECOND BUFFER TANKS; SUPPORT MEANS FOR MAINTAINING SAID ZONE IN THE VERTICAL POSITION; AND OUTLET MEANS COUPLED TO THE ONE AND THE OTHER END OF SAID ZONE.
Claim 2
Dependent Claim
125 words
AN INSTRUMENT FOR PREPARATIVE GEL ELECTROPHORESIS, COMPRISING IN COMBINATION; AN ELONGATED HOLLOW CURVILINEAR SEPARATION ZONE DEFINED BY OUTER AND INNER HOLLOW COMPONENTS, THE OUTER COMPONENT FORMING A ZONE HOUSING INCLUDING AN OUTER JACKET WITH A INNER WALL SPACED FROM SAID JACKET TO FORM AN OUTER COOLING ZONE THEREINBETWEEN, THE INNER COMPONENT BEING AXIALLY ALIGNED WITH SAID INNER WALL AND SLIGHTLY SPACED THEREFROM, SAID INNER COMPONENT BEING HOLLOW FORMING AN INNER COOLING CHAMBER; FIRST AND SECOND BUFFER TANKS COUPLED TO ONE AND THE OTHER END OF SAID ZONE; FIRST AND SECOND ELECTRODES AND ELECTRICAL LEADS FROM SAID FIRST AND SECOND BUFFER TANKS; SUPPORT MEANS FOR MAINTAINING SAID ZONE IN THE VERTICAL POSITION; AND OUTLET MEANS COUPLED TO THE ONE AND THE OTHER END OF SAID ZONE.
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) | 1970-10-09 | 1971-04-10 | 1971-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-09 | 1975-04-10 | 1975-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-09 | 1979-04-10 | 1979-10-10 | $7700.00 | Window Closed / Lapsed |