Patent US2066703A successfully refreshed from Google Patents.
Patent US3819499A successfully refreshed from Google Patents.
US3819499A
Expired / Lapsed
US
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Device for detecting one or more oxidizable components in a sample
Assignee: US Philips Corp
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Filing: 1972-04-20
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Granted: 1974-06-25
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Expires: 1992-04-20
Abstract
Abstract A device for detecting oxidizable components in a mixture in a reaction space through which a constant stream of gas is passed. A measuring and dosing cell for oxygen maintaining the oxygen content at an adjusted value is present before and after the reaction space. After injection of the sample the dosage current required for oxygen supplementation is a measure of the quantity of oxidizable component.
Inventors
- 👤 L Hoogeveen
- 👤 P Butzelaar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:02
CPC Classifications
G; G01; G01N; G01N27/00; G01N27/26; G01N27/416; G01N27/417; G01N27/403; G01N27/406; G01N27/407; G01N27/4073; G01N27/4074; G01N31/00; G01N31/005; G01N33/00; G01N33/18; G01N33/1806
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
29 words
Apparatus as defined in claim 1 wherein said wall portion of said dosing cell and said wall portion of said measuring cell is composed pRimarily of a metallic oxide.
Claim 2
Dependent Claim
12 words
Apparatus as defined in claim 2 wherein said metallic oxide is ZrO2.
References Cited (Backward Citations)
US3296435A
Cited
US3560156A
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US3654112A
Cited
US3527567A
Cited
US3650934A
Cited
US3679364A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-06-24 | 1977-12-24 | 1978-06-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-06-24 | 1981-12-24 | 1982-06-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-06-24 | 1985-12-24 | 1986-06-25 | $7700.00 | Window Closed / Lapsed |