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US3276243A Expired / Lapsed US ⏱️ 0.0 years remaining

Chromatographic thermal system

Assignee: Schneider Electric Systems USA Inc
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Filing: 1963-09-09
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Granted: 1966-10-04
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Expires: 1983-09-09
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Abstract

No abstract record available.

Inventors

  • 👤 Edwin L Karas

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 08:06
CPC Classifications
G; G01; G01N; G01N30/00; G01N30/02; G01N30/26; G01N30/28; G01N30/30; G01N2030/3084

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 247 words
A THERMAL SYSTEM FOR A CHROMATOGRAPHIC DEVICE WHEREIN SAID DEVICE INCLUDES A SAMPLING UNIT, A COLUMN, AND A DETECTOR, SUITABLY INTERCONNECTED AS A CHROMATOGRAPHIC SYSTEM, SAID THERMAL SYSTEM COMPRISING A THERMAL HOUSING, TWO SEPARATE CHAMBERS WITHIN SAID HOUSING, AND A THERMAL PLATFORM FORMING A WALL FULLY SEPARATING SAID CHAMBERS, SAID SAMPLING UNIT AND SAID COLUMN BEING MOUNTED ON ONE SIDE OF SAID PLATFORM IN ONE OF SAID CHAMBERS, SAID DETECTOR BEING MOUNTED ON THE OTHER SIDE OF SAID PLATFORM IN THE OTHER OF SAID CHAMBERS AND SAID DETECTOR CHAMBER BEING EXPLOSION PROOFED, MEANS FOR OPENING SAID SAMPLING UNIT AND COLUMN CHAMBER WITHOUT OPENING SAID DETECTOR CHAMBER, MEANS FOR OPENING SAID EXPLOSION PROOFED DETECTOR BER WITHOUT OPENING SAID SAMPLING UNIT AND COLUMN CHAMBER, SAID THERMAL HOUSING COMPRISING A FIRST THERMAL INSULATION COVER UNIT DEFINING THE CHAMBER OF SAID SAMPLING UNIT AND SAID COLUMN WITH SAID THERMAL PLATFORM, A SECOND THERMAL INSULATING COVER UNIT DEFINING THE CHAMBER OF SAID DETECTOR UNIT WITH SAID THERMAL PLATFORM, SAID COVER UNITS EACH HAVING A THERMALLY CONDUCTIVE INNER LINING THERMALLY CONTACTING SAID THERMAL PLATFORM, A SPACING BETWEEN SAID COVER UNITS SUCH THAT SAID THERMAL PLATFORM IS EXPOSED IN A FULL PERIPHERAL OUTER WALL STRIP AREA DIRECTLY TO ATMOSPHERE AS A HEAT SINK, HEATER MEANS IN SAID THERMAL PLATFORM ESSENTIALLY DIRECTLY BETWEEN SAID DETECTOR AND SAID EXPOSED THERMAL PLATFORM OUTER WALL STRIP, AND HEAT SENSOR MEANS IN SAID THERMAL PLATFORM ESSENTIALLY DIRECTLY BETWEEN SAID HEATER MEANS AND SAID EXPOSED THERMAL PLATFORM OUTER WALL STRIP.
Claim 2
Dependent Claim 247 words
A THERMAL SYSTEM FOR A CHROMATOGRAPHIC DEVICE WHEREIN SAID DEVICE INCLUDES A SAMPLING UNIT, A COLUMN, AND A DETECTOR, SUITABLY INTERCONNECTED AS A CHROMATOGRAPHIC SYSTEM, SAID THERMAL SYSTEM COMPRISING A THERMAL HOUSING, TWO SEPARATE CHAMBERS WITHIN SAID HOUSING, AND A THERMAL PLATFORM FORMING A WALL FULLY SEPARATING SAID CHAMBERS, SAID SAMPLING UNIT AND SAID COLUMN BEING MOUNTED ON ONE SIDE OF SAID PLATFORM IN ONE OF SAID CHAMBERS, SAID DETECTOR BEING MOUNTED ON THE OTHER SIDE OF SAID PLATFORM IN THE OTHER OF SAID CHAMBERS AND SAID DETECTOR CHAMBER BEING EXPLOSION PROOFED, MEANS FOR OPENING SAID SAMPLING UNIT AND COLUMN CHAMBER WITHOUT OPENING SAID DETECTOR CHAMBER, MEANS FOR OPENING SAID EXPLOSION PROOFED DETECTOR BER WITHOUT OPENING SAID SAMPLING UNIT AND COLUMN CHAMBER, SAID THERMAL HOUSING COMPRISING A FIRST THERMAL INSULATION COVER UNIT DEFINING THE CHAMBER OF SAID SAMPLING UNIT AND SAID COLUMN WITH SAID THERMAL PLATFORM, A SECOND THERMAL INSULATING COVER UNIT DEFINING THE CHAMBER OF SAID DETECTOR UNIT WITH SAID THERMAL PLATFORM, SAID COVER UNITS EACH HAVING A THERMALLY CONDUCTIVE INNER LINING THERMALLY CONTACTING SAID THERMAL PLATFORM, A SPACING BETWEEN SAID COVER UNITS SUCH THAT SAID THERMAL PLATFORM IS EXPOSED IN A FULL PERIPHERAL OUTER WALL STRIP AREA DIRECTLY TO ATMOSPHERE AS A HEAT SINK, HEATER MEANS IN SAID THERMAL PLATFORM ESSENTIALLY DIRECTLY BETWEEN SAID DETECTOR AND SAID EXPOSED THERMAL PLATFORM OUTER WALL STRIP, AND HEAT SENSOR MEANS IN SAID THERMAL PLATFORM ESSENTIALLY DIRECTLY BETWEEN SAID HEATER MEANS AND SAID EXPOSED THERMAL PLATFORM OUTER WALL STRIP.

References Cited (Backward Citations)

US3123086A Cited
US3062037A Cited
US3069894A Cited
US3075361A Cited
US3062038A Cited
US3026712A Cited
US3181344A Cited
US3205701A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-10-03 1970-04-04 1970-10-04 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-10-03 1974-04-04 1974-10-04 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-10-03 1978-04-04 1978-10-04 $7700.00 Window Closed / Lapsed

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