US3133009A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Continuous antidromic electrophoresis
Assignee: Scientific Industries Inc
•
Filing: 1959-11-13
•
Granted: 1964-05-12
•
Expires: 1979-11-13
Abstract
No abstract record available.
Inventors
- 👤 Natelson Samuel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:51
CPC Classifications
G; G01; G01N; G01N27/00; G01N27/26; G01N27/416; G01N27/447; G01N27/44756
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
217 words
AN INSTRUMENT FOR CHEMICAL IDENTIFICATION, FOR THE SEPARATIN OF SUBSTANCES WHOSE ELECTRICAL IONS HAVE SLIGHTLY DIFFERENT RATES OF ELECTROPHORETIC MIGRATION, THE SEPARATIONS BEING REPRODUCIBLE AND AT CONSTANT RELATIVE DISTANCE FROM EACH OTHER, COMPRISING IN COMBINATION; AN ELONGATED FRAME TO DEFINE THE LIMITS OF AN ELECTRICALLY CONDUCTIVE ABSORBENT CARRIER TAPE; A FEED REEL AT ONE END OF SAID FRAME TO CONTAIN AND FEED OUT A CONTINUOUS EVEN SUPPLY OF SAID CARRIER TAPE; GUIDE ROLLERS TOWARDS SAID ONE END OF THE FRAME TO MAINTAIN SAID CARRIER TAPE SUSPENDED ALONG THE LENGTH OF SAID FRAME; A PAIR OF BUFFER SOLUTION CONTAINERS TOWARDS OPPOSING ENDS OF SAID FRAME; ELECTRICAL TERMINALS IN SAID FRAME, LEAD LINES FROM SAID TERMINALS TO ELECTRODES WHICH ENTER SAID CONTAINERS TO PROVIDE POSITIVE AND NEGATIVE ELECTRICITY TO A BUFFER SOLUTION IN SAID CONTAINERS; IMPURITY RETAINING MEANS ADJACENT SAID ELECTRODES IN SAID CONTAINERS PREVENTING IMPURITIES FORMED BY THE ELECTRICAL ACTIVITY FROM BEING CARRIED ALONG IN A BUFFER SOLUTION IN SAID CONTAINERS; WICK ROLLER CONTACTS FOR EVENLY MOISTENING THE BUFFER SOLUTION ONTO THE CARRIER TAPE AND CONDUCTING ELECTRICITY ONTO AND OFF SAID TAPE, SAID CONTACTS BEING HOUSED IN SAID CONTAINERS AT OPPOSING ENDS OF SAID FRAME; A TAKEUP REEL AT THE OTHER END OF SAID FRAME TO TAKE UP AND RETAIN SAID CARRIER TAPE; ROLLERS FOR MOVING SAID CARRIER
Claim 2
Dependent Claim
217 words
AN INSTRUMENT FOR CHEMICAL IDENTIFICATION, FOR THE SEPARATIN OF SUBSTANCES WHOSE ELECTRICAL IONS HAVE SLIGHTLY DIFFERENT RATES OF ELECTROPHORETIC MIGRATION, THE SEPARATIONS BEING REPRODUCIBLE AND AT CONSTANT RELATIVE DISTANCE FROM EACH OTHER, COMPRISING IN COMBINATION; AN ELONGATED FRAME TO DEFINE THE LIMITS OF AN ELECTRICALLY CONDUCTIVE ABSORBENT CARRIER TAPE; A FEED REEL AT ONE END OF SAID FRAME TO CONTAIN AND FEED OUT A CONTINUOUS EVEN SUPPLY OF SAID CARRIER TAPE; GUIDE ROLLERS TOWARDS SAID ONE END OF THE FRAME TO MAINTAIN SAID CARRIER TAPE SUSPENDED ALONG THE LENGTH OF SAID FRAME; A PAIR OF BUFFER SOLUTION CONTAINERS TOWARDS OPPOSING ENDS OF SAID FRAME; ELECTRICAL TERMINALS IN SAID FRAME, LEAD LINES FROM SAID TERMINALS TO ELECTRODES WHICH ENTER SAID CONTAINERS TO PROVIDE POSITIVE AND NEGATIVE ELECTRICITY TO A BUFFER SOLUTION IN SAID CONTAINERS; IMPURITY RETAINING MEANS ADJACENT SAID ELECTRODES IN SAID CONTAINERS PREVENTING IMPURITIES FORMED BY THE ELECTRICAL ACTIVITY FROM BEING CARRIED ALONG IN A BUFFER SOLUTION IN SAID CONTAINERS; WICK ROLLER CONTACTS FOR EVENLY MOISTENING THE BUFFER SOLUTION ONTO THE CARRIER TAPE AND CONDUCTING ELECTRICITY ONTO AND OFF SAID TAPE, SAID CONTACTS BEING HOUSED IN SAID CONTAINERS AT OPPOSING ENDS OF SAID FRAME; A TAKEUP REEL AT THE OTHER END OF SAID FRAME TO TAKE UP AND RETAIN SAID CARRIER TAPE; ROLLERS FOR MOVING SAID CARRIER
References Cited (Backward Citations)
US2566308A
Cited
US2762770A
Cited
US2768948A
Cited
US2884367A
Cited
US2878178A
Cited
GB791570A
Cited
US2843540A
Cited
USRE24752E
Cited
US2879217A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-05-12 | 1967-11-11 | 1968-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-12 | 1971-11-11 | 1972-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-12 | 1975-11-11 | 1976-05-12 | $7700.00 | Window Closed / Lapsed |