US3156548A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas chromatography apparatus
Assignee: Sinclair Research Inc
•
Filing: 1960-03-21
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Granted: 1964-11-10
•
Expires: 1980-03-21
Abstract
No abstract record available.
Inventors
- 👤 John A Perry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:22
CPC Classifications
G; G01; G01N; G01N30/00; G01N30/02; G01N30/26; G01N30/38; G01N30/46; G01N30/468; G01N30/28; G01N30/30; G01N30/461
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
AN APPARATUS SUITABLE FOR USE IN GAS CHROMATOGRAPHY AND WHICH MAY BE PROVIDED WITH A SOURCE OF CARRIER GAS, A SOURCE OF FLUID SAMPLE, PARTITIONING MEANS AND EFFLUENT COLLECTION MEANS WHICH COMPRISES A CHASSIS HAVING A FRONT SIDE AND A BACK SIDE, WHICH CHASSIS SUPPORTS (I) INLETS FOR (A) A CARRIER GAS (B) A LIQUID SAMPLE AND (C) A GAS SAMPLE (II) A CARRIER GAS FLOW LINE HAVING FLOW CONTROL MEANS WHICH CONNECTS SAID CARRIE GAS INLET WITH SAID SAMPLE INLETS, (III) CONNECTIONS TO (A) PARTITIONING MEANS COMPRISING AN INLET TO SAID MEANS AND AN OUTLET FROM SAID MEANS AND (B) EFFLUENT COLLECTION MEANS (IV) A SAMPLE PASSAGEWAY LEDING, BY WAY OF FLOW CONTROL MEANS, FROM SAID SAMPLE INLETS TO SAID PARTITIONING MEANS INLET,
Claim 2
Independent Claim
124 words
AN APPARATUS SUITABLE FOR USE IN GAS CHROMATOGRAPHY AND WHICH MAY BE PROVIDED WITH A SOURCE OF CARRIER GAS, A SOURCE OF FLUID SAMPLE, PARTITIONING MEANS AND EFFLUENT COLLECTION MEANS WHICH COMPRISES A CHASSIS HAVING A FRONT SIDE AND A BACK SIDE, WHICH CHASSIS SUPPORTS (I) INLETS FOR (A) A CARRIER GAS (B) A LIQUID SAMPLE AND (C) A GAS SAMPLE (II) A CARRIER GAS FLOW LINE HAVING FLOW CONTROL MEANS WHICH CONNECTS SAID CARRIE GAS INLET WITH SAID SAMPLE INLETS, (III) CONNECTIONS TO (A) PARTITIONING MEANS COMPRISING AN INLET TO SAID MEANS AND AN OUTLET FROM SAID MEANS AND (B) EFFLUENT COLLECTION MEANS (IV) A SAMPLE PASSAGEWAY LEDING, BY WAY OF FLOW CONTROL MEANS, FROM SAID SAMPLE INLETS TO SAID PARTITIONING MEANS INLET,
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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) | 1967-11-10 | 1968-05-11 | 1968-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-10 | 1972-05-11 | 1972-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-10 | 1976-05-11 | 1976-11-10 | $7700.00 | Window Closed / Lapsed |