← Back to Patent Explorer
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
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

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

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag