Patent US3047489A successfully refreshed from Google Patents.
US3047489A
Expired / Lapsed
US
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Apparatus for zone electrophoresis
Assignee: Individual
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Filing: 1961-05-25
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Granted: 1962-07-31
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Expires: 1981-05-25
Abstract
No abstract record available.
Inventors
- 👤 Raymond Samuel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:44
CPC Classifications
G; G01; G01N; G01N27/00; G01N27/26; G01N27/416; G01N27/447; G01N27/44756
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
163 words
APPARATUS FOR SPREADING MIXTURES BY ZONE ELECTROPHORESIS, THE APPARATUS COMPRISING; (A) A TANK CONTAINING SEPARATE OPEN TOP BUFFER SOLUTION CHAMBERS WITH ELECTRODES THEREIN, (B) A READILY REMOVABLE LOWER PLATE HAVING A SIZE AND SHAPE TO PARTICALLY COVER THE TANK AND EXTENDED FROM ONE SOLUTION CHAMBER TO THE OTHER AND PROVIDED OPEM SPACES ABOVE EACH CHAMBER FOR ACCESS TO EACH CHAMBER, THE LOWER PLATE BEING POSITIONED ON TOP OF THE TANK WITH THE TOP OF THE LOWER PLATE ABOVE THE NORMAL LEVEL OF THE BUFFER SOLUSTION CHAMBERS, (C) A READILY REMOVABLE UPPER PLATE HAVING A SIZE AND SHAPE TO SUBSTANTIALLY COVER THE LOWER PLATE AND EXTENDED COPLETLY OVER THE OPEN TOP OF THE BUFFER SOLUTION CHAMBER AND COMPLETELY COVER THE TANK AND THEREBY SUBSTANTIALLY PREVENT THE ESCAPE OF VAPORS THEREFROM, (D) THE SPACE BETWEEN THE TOP OF THE LOWE RPLATE AND THE BOTTOM OF THE UPPER PLATE CONTAINING AN ELECTROPHORESIS ZONE SUPPORTING MEDIUM WHICH IS ELECTROLYTICALLY CONNECTED TO THE BUFFER SOLUTION IN THE CHAMBERS,
Claim 2
Dependent Claim
163 words
APPARATUS FOR SPREADING MIXTURES BY ZONE ELECTROPHORESIS, THE APPARATUS COMPRISING; (A) A TANK CONTAINING SEPARATE OPEN TOP BUFFER SOLUTION CHAMBERS WITH ELECTRODES THEREIN, (B) A READILY REMOVABLE LOWER PLATE HAVING A SIZE AND SHAPE TO PARTICALLY COVER THE TANK AND EXTENDED FROM ONE SOLUTION CHAMBER TO THE OTHER AND PROVIDED OPEM SPACES ABOVE EACH CHAMBER FOR ACCESS TO EACH CHAMBER, THE LOWER PLATE BEING POSITIONED ON TOP OF THE TANK WITH THE TOP OF THE LOWER PLATE ABOVE THE NORMAL LEVEL OF THE BUFFER SOLUSTION CHAMBERS, (C) A READILY REMOVABLE UPPER PLATE HAVING A SIZE AND SHAPE TO SUBSTANTIALLY COVER THE LOWER PLATE AND EXTENDED COPLETLY OVER THE OPEN TOP OF THE BUFFER SOLUTION CHAMBER AND COMPLETELY COVER THE TANK AND THEREBY SUBSTANTIALLY PREVENT THE ESCAPE OF VAPORS THEREFROM, (D) THE SPACE BETWEEN THE TOP OF THE LOWE RPLATE AND THE BOTTOM OF THE UPPER PLATE CONTAINING AN ELECTROPHORESIS ZONE SUPPORTING MEDIUM WHICH IS ELECTROLYTICALLY CONNECTED TO THE BUFFER SOLUTION IN THE CHAMBERS,
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) | 1965-07-30 | 1966-01-29 | 1966-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-30 | 1970-01-29 | 1970-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-30 | 1974-01-29 | 1974-07-31 | $7700.00 | Window Closed / Lapsed |