Patent US3296098A successfully refreshed from Google Patents.
US3296098A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for gas analysis
Assignee: Beckman Coulter Inc
•
Filing: 1962-01-15
•
Granted: 1967-01-03
•
Expires: 1982-01-15
Abstract
No abstract record available.
Inventors
- 👤 Edwin P Arthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:45
CPC Classifications
G; G01; G01N; G01N27/00; G01N27/26; G01N27/416; G01N27/4162
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
A METHOD FOR DETERMINING THE PRESENCE OF SELECTED CONSTITUENTS IN A GAS COMPRISING: CONTINUOUSLY FLOWING ELECTROLYTE AS A THIN FILM OVER AN UNCOVERED ION SENSITIVE BULB OF A SENSING ELECTRODE SO THAT A CONTINUOUSLY RENEWED THIN FILM OF ELECTROLYTE IS PROVIDED OVER SAID BULB; EXPOSING THE ELECTROLYTE FILM ON SAID BULB DIRECTLY TO THE GAS WHEREBY THE CONSTITUENTS PRESENT IN THE GAS ARE ABSORBED BY SAID FILM; AND ELECTROLYTICALLY SENSING THE POTENTIAL DEVELOPED AT SAID ION SENSITIVE BULB AS AN INDICATION OF THE CHANGED ELECTROLYTIC CHARACTERISTICS OF SAID FILM CAUSED BY THE ABSORBED CONSTITUENTS.
Claim 2
Independent Claim
94 words
A METHOD FOR DETERMINING THE PRESENCE OF SELECTED CONSTITUENTS IN A GAS COMPRISING: CONTINUOUSLY FLOWING ELECTROLYTE AS A THIN FILM OVER AN UNCOVERED ION SENSITIVE BULB OF A SENSING ELECTRODE SO THAT A CONTINUOUSLY RENEWED THIN FILM OF ELECTROLYTE IS PROVIDED OVER SAID BULB; EXPOSING THE ELECTROLYTE FILM ON SAID BULB DIRECTLY TO THE GAS WHEREBY THE CONSTITUENTS PRESENT IN THE GAS ARE ABSORBED BY SAID FILM; AND ELECTROLYTICALLY SENSING THE POTENTIAL DEVELOPED AT SAID ION SENSITIVE BULB AS AN INDICATION OF THE CHANGED ELECTROLYTIC CHARACTERISTICS OF SAID FILM CAUSED BY THE ABSORBED CONSTITUENTS.
References Cited (Backward Citations)
DE643624C
Cited
US2108294A
Cited
US2651612A
Cited
US2499852A
Cited
US3028317A
Cited
US3070539A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-02 | 1970-07-04 | 1971-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-02 | 1974-07-04 | 1975-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-02 | 1978-07-04 | 1979-01-03 | $7700.00 | Window Closed / Lapsed |