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Patent US2957128A successfully refreshed from Google Patents.
US2957128A
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Measuring means for paramagnetic gases
Assignee: Union Carbide Corp
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Filing: 1958-06-27
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Granted: 1960-10-18
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Expires: 1978-06-27
Abstract
No abstract record available.
Inventors
- 👤 Jr William J Spry
- 👤 Leonard S Singer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 22:03
CPC Classifications
G; G01; G01R; G01R33/00; G01R33/20; G01R33/60
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
APPARATUS FOR THE DETECTION AND DETERMINATION OF THE CONCENTRATION OF A PARAMAGNETIC GAS PRESENT IN GASEOUS MIXTURES COMPRISING MEANS FOR PRODUCING AN ALTERNATING MAGNETIC FIELD, MEANS FOR PRODUCING A STATIC MAGNETIC FIELD, VARIABLE RADIO FREQUENCY COIL MEANS DISPOSED PERPENDICULARLY TO SAID MAGNETIC FIELDS, SAMPLE HOLDING MEANS CENTERED WITH RESPECT TO SAID FIELDS AND COIL AND CONTAINING A CHARRED MATERIAL, CONDUIT MEANS FOR CONVEYING A GASEOUS MIXTURES CONTAINING A PARAMAGNETIC GAS TO SAID SAMPLE HOLDING MEANS, AND MEANS RE-
Claim 2
Dependent Claim
78 words
APPARATUS FOR THE DETECTION AND DETERMINATION OF THE CONCENTRATION OF A PARAMAGNETIC GAS PRESENT IN GASEOUS MIXTURES COMPRISING MEANS FOR PRODUCING AN ALTERNATING MAGNETIC FIELD, MEANS FOR PRODUCING A STATIC MAGNETIC FIELD, VARIABLE RADIO FREQUENCY COIL MEANS DISPOSED PERPENDICULARLY TO SAID MAGNETIC FIELDS, SAMPLE HOLDING MEANS CENTERED WITH RESPECT TO SAID FIELDS AND COIL AND CONTAINING A CHARRED MATERIAL, CONDUIT MEANS FOR CONVEYING A GASEOUS MIXTURES CONTAINING A PARAMAGNETIC GAS TO SAID SAMPLE HOLDING MEANS, AND MEANS RE-
References Cited (Backward Citations)
US2645563A
Cited
US2772393A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-10-18 | 1964-04-18 | 1964-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-18 | 1968-04-18 | 1968-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-18 | 1972-04-18 | 1972-10-18 | $7700.00 | Window Closed / Lapsed |