US3407133A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Expendable electrophoresis apparatus
Assignee: Baxter International Inc
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Filing: 1965-06-18
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Granted: 1968-10-22
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Expires: 1985-06-18
Abstract
No abstract record available.
Inventors
- 👤 William E Oliva
- 👤 Charles A Schlutz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:07
CPC Classifications
G; G01; G01N; G01N27/00; G01N27/26; G01N27/416; G01N27/447; G01N27/44756
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
AN EXPENDABLE ELECTROPHORESIS TEST KIT COMPRISING: A PLASTIC CHAMBER HAVING MEANS DEFINING A PAIR OF SPACED BUFFER SOLUTION VESSELS THEREIN, MEANS TO POSITION A BUFFERED GEL SUPPORT MEDIUM BETWEEN SAID BUFFER SOLUTION VESSELS AND IN ELECTRICAL CONTACT WITH THE BUFFER SOLUTION IN EACH VESSEL, SAID LAST NAMED MEANS INCLUDING A GENERALLY DISH SHAPED REMOVABLE PLASTIC LID PORTION POSITIONED UPON SAID CHAMBER, MEANS ON THE UNDER SURFACE OF SAID LID FOR RETAINING SAID GEL SUPPORT MEDIUM, MEANS INCLUDING ELECTRODES WITHIN THE BUFFER SOLUTION VESSELS TO PROVIDE PASSAGE OF CURRENT THROUGH SAID BUFFER SOLUTION BUFFERED GEL MEDIUM TO PERMIT CHARGED PARTICLE MIGRATION WITHIN SAID GEL MEDIUM FOR PARTICLE GROUP IDENTIFICATION THEREIN.
Claim 2
Dependent Claim
109 words
AN EXPENDABLE ELECTROPHORESIS TEST KIT COMPRISING: A PLASTIC CHAMBER HAVING MEANS DEFINING A PAIR OF SPACED BUFFER SOLUTION VESSELS THEREIN, MEANS TO POSITION A BUFFERED GEL SUPPORT MEDIUM BETWEEN SAID BUFFER SOLUTION VESSELS AND IN ELECTRICAL CONTACT WITH THE BUFFER SOLUTION IN EACH VESSEL, SAID LAST NAMED MEANS INCLUDING A GENERALLY DISH SHAPED REMOVABLE PLASTIC LID PORTION POSITIONED UPON SAID CHAMBER, MEANS ON THE UNDER SURFACE OF SAID LID FOR RETAINING SAID GEL SUPPORT MEDIUM, MEANS INCLUDING ELECTRODES WITHIN THE BUFFER SOLUTION VESSELS TO PROVIDE PASSAGE OF CURRENT THROUGH SAID BUFFER SOLUTION BUFFERED GEL MEDIUM TO PERMIT CHARGED PARTICLE MIGRATION WITHIN SAID GEL MEDIUM FOR PARTICLE GROUP IDENTIFICATION THEREIN.
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) | 1971-10-22 | 1972-04-22 | 1972-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-22 | 1976-04-22 | 1976-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-22 | 1980-04-22 | 1980-10-22 | $7700.00 | Window Closed / Lapsed |