US3291980A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combined chromatograph and mass spectrometer analyzing apparatus
Assignee: Applied Biosystems Inc
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Filing: 1963-11-29
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Granted: 1966-12-13
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Expires: 1983-11-29
Abstract
No abstract record available.
Inventors
- 👤 Vincent J Coates
- 👤 Edward B Delaney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:20
CPC Classifications
G; G01; G01N; G01N30/00; G01N30/02; G01N30/62; G01N30/72; G01N30/7206; G01N30/722
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
APPARATUS FOR ANALYZING A MIXTURE COMPRISING: A GAS CHROMATOGRAPHIC SYSTEM WHEREIN A CARRIER GAS TRANSPORTS SAID MIXTURE THROUGH A CHROMATOGRAPHIC COLUMN FOR SEPARATING THE COMPONENTS OF SAID MIXTURE AND FOR DETERMINING THE QUANTITY OF EACH COMPONENT;L A MASS SPECTROMETER RESPONSIVE TO SAID COMPONENT FOR IDENTIFYING SAID COMPONENTS; AND CARRIER GAS BY-PASS MEANS COUPLED ACROSS SAID COLUMN FOR REDUCING THE FLOW OF SAID CARRIER GAS IN SAID COLUMN TO ISOLATE SAID CHROMATOGRAPHIC COLUMN AFTER A COMPONENT IS DETECTED BY SAID GAS CHROMATOGRAPHIC SYSTEM FOR A PERIOD OF TIME SUFFICIENT TO PERMIT SAID MASS SPECTROMETER TO SCAN SAID COMPONENT AND IDENTIFY SAID COMPONENT.
Claim 2
Dependent Claim
101 words
APPARATUS FOR ANALYZING A MIXTURE COMPRISING: A GAS CHROMATOGRAPHIC SYSTEM WHEREIN A CARRIER GAS TRANSPORTS SAID MIXTURE THROUGH A CHROMATOGRAPHIC COLUMN FOR SEPARATING THE COMPONENTS OF SAID MIXTURE AND FOR DETERMINING THE QUANTITY OF EACH COMPONENT;L A MASS SPECTROMETER RESPONSIVE TO SAID COMPONENT FOR IDENTIFYING SAID COMPONENTS; AND CARRIER GAS BY-PASS MEANS COUPLED ACROSS SAID COLUMN FOR REDUCING THE FLOW OF SAID CARRIER GAS IN SAID COLUMN TO ISOLATE SAID CHROMATOGRAPHIC COLUMN AFTER A COMPONENT IS DETECTED BY SAID GAS CHROMATOGRAPHIC SYSTEM FOR A PERIOD OF TIME SUFFICIENT TO PERMIT SAID MASS SPECTROMETER TO SCAN SAID COMPONENT AND IDENTIFY SAID COMPONENT.
References Cited (Backward Citations)
US2959677A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-12 | 1970-06-13 | 1970-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-12 | 1974-06-13 | 1974-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-12 | 1978-06-13 | 1978-12-13 | $7700.00 | Window Closed / Lapsed |