Patent US3276243A successfully refreshed from Google Patents.
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
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.
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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 |