Patent US3087113A successfully refreshed from Google Patents.
US3087113A
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Detector for gas chromatography
Assignee: Beckman Coulter Inc
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Filing: 1961-01-23
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Granted: 1963-04-23
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Expires: 1981-01-23
Abstract
No abstract record available.
Inventors
- 👤 Richard A Foster
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:09
CPC Classifications
H; H01; H01J; H01J41/00; H01J41/02; H01J41/08; G; G01; G01N; G01N27/00; G01N27/62; G01N27/64; G01N27/66; G01N30/00; G01N30/02; G01N30/62; G01N30/64; G01N30/70; G01T; G01T7/00; G01T7/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
IN AN IONIZATION DETECTOR FOR A GAS CHROMATOGRAPH OR THE LIKE, THE COMBINATION OF: HOUSING MEANS DEFINING A CHAMBER; MEANS FOR FLOWING A STREAM OF SAMPLE GAS THROUGH SAID CHAMBER; A SOURCE OF ELECTRONS WITHIN SAID CHAMBER; AN ELECTRON COLLECTOR ELECTRODE POSITIONED WITHIN SAID CHAMBER; AN ION COLLECTOR ELECTRODE POSITIONED WITHIN SAID CHAMBER; A GRID POSITIONED WITHIN SAID CHAMBER BETWEEN SAID ELECTRODES AND MAINTAINED SUBSTANTIALLY AT CIRCUIT GROUND; A SOURCE OF POSITIVE POTENTIAL CONNECTED TO SAID ELECTRON COLLECTOR ELECTRODE; AND AN OUTPUT CIRCUIT CONNECTED TO SAID ION COLLECTOR ELECTRODE AND CIRCUIT GROUND.
Claim 2
Dependent Claim
92 words
IN AN IONIZATION DETECTOR FOR A GAS CHROMATOGRAPH OR THE LIKE, THE COMBINATION OF: HOUSING MEANS DEFINING A CHAMBER; MEANS FOR FLOWING A STREAM OF SAMPLE GAS THROUGH SAID CHAMBER; A SOURCE OF ELECTRONS WITHIN SAID CHAMBER; AN ELECTRON COLLECTOR ELECTRODE POSITIONED WITHIN SAID CHAMBER; AN ION COLLECTOR ELECTRODE POSITIONED WITHIN SAID CHAMBER; A GRID POSITIONED WITHIN SAID CHAMBER BETWEEN SAID ELECTRODES AND MAINTAINED SUBSTANTIALLY AT CIRCUIT GROUND; A SOURCE OF POSITIVE POTENTIAL CONNECTED TO SAID ELECTRON COLLECTOR ELECTRODE; AND AN OUTPUT CIRCUIT CONNECTED TO SAID ION COLLECTOR ELECTRODE AND CIRCUIT GROUND.
References Cited (Backward Citations)
US2829337A
Cited
US3001128A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-22 | 1966-10-22 | 1967-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-22 | 1970-10-22 | 1971-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-22 | 1974-10-22 | 1975-04-23 | $7700.00 | Window Closed / Lapsed |