US3100984A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vapor fraction analyzer
Assignee: Union Carbide Corp
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Filing: 1959-09-28
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Granted: 1963-08-20
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Expires: 1979-09-28
Abstract
No abstract record available.
Inventors
- 👤 Sterling T Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:45
CPC Classifications
G; G01; G01N; G01N30/00; G01N30/02; G01N30/26; G01N30/28; G01N30/32; G01N30/04; G01N30/16; G01N30/20; G01N2030/204
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
141 words
IN A VAPOR PHASE CHROMATOGRAPHIC ANALYZER WHICH INCLUDES SAMPLING MEANS INTERPOSED BETWEEN A CARRIER GAS PASSAGE MEANS AND A MULTI-COMPONENT FLUID SAMPLE PASSAGE MEANS FOR TRANSPORTING A PRECISE VOLUME OF A SAMPLE FLUID FROM THE LATTER PASSAGE MEANS TO THE FORMER PASSAGE MEANS FOR INJECTION OF SAID VOLUME OF SAMPLE FLUID INTO A CARRIER GAS STREAM, THE IMPROVEMENT WHICH COMPRISES MEANS FOR INJECTING ALL OR A SELECTED AMOUNT OF SAID PRECISE VOLUME OF SAMPLE FLUID INTO THE CARRIER GAS STREAM, WHICH LAST NAMED MEANS COMPRISES A VARIABLE VOLUME CHAMBER CONTAINING SAID PRECISE VOLUME OF SAMPLE FLUID AT A FIRST VOLUME SETTING AND MEANS FOR REDUCING SAID VOLUME BY A PREDETERMINED AMOUNT WHEN IT IS DESIRED TO INJECT SAMPLE FLUID INTO THE CARRIER GAS STREAM, THE AMOUNT OF VOLUME REDUCTION EQUALING THE VOLUME OF SAMPLE FLUID INJECTED INTO THE CARRIER GAS STREAM.
Claim 2
Dependent Claim
141 words
IN A VAPOR PHASE CHROMATOGRAPHIC ANALYZER WHICH INCLUDES SAMPLING MEANS INTERPOSED BETWEEN A CARRIER GAS PASSAGE MEANS AND A MULTI-COMPONENT FLUID SAMPLE PASSAGE MEANS FOR TRANSPORTING A PRECISE VOLUME OF A SAMPLE FLUID FROM THE LATTER PASSAGE MEANS TO THE FORMER PASSAGE MEANS FOR INJECTION OF SAID VOLUME OF SAMPLE FLUID INTO A CARRIER GAS STREAM, THE IMPROVEMENT WHICH COMPRISES MEANS FOR INJECTING ALL OR A SELECTED AMOUNT OF SAID PRECISE VOLUME OF SAMPLE FLUID INTO THE CARRIER GAS STREAM, WHICH LAST NAMED MEANS COMPRISES A VARIABLE VOLUME CHAMBER CONTAINING SAID PRECISE VOLUME OF SAMPLE FLUID AT A FIRST VOLUME SETTING AND MEANS FOR REDUCING SAID VOLUME BY A PREDETERMINED AMOUNT WHEN IT IS DESIRED TO INJECT SAMPLE FLUID INTO THE CARRIER GAS STREAM, THE AMOUNT OF VOLUME REDUCTION EQUALING THE VOLUME OF SAMPLE FLUID INJECTED INTO THE CARRIER GAS STREAM.
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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) | 1966-08-19 | 1967-02-18 | 1967-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-08-19 | 1971-02-18 | 1971-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-08-19 | 1975-02-18 | 1975-08-20 | $7700.00 | Window Closed / Lapsed |