Patent US2744234A successfully refreshed from Google Patents.
US2744234A
Expired / Lapsed
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Magnetic oxygen meters
Assignee: Distillers Co Yeast Ltd
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Filing: 1954-07-23
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Granted: 1956-05-01
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Expires: 1974-07-23
Abstract
No abstract record available.
Inventors
- 👤 Munday Charles Walter
- 👤 Peakin Kelvin Richard
- 👤 Griffiths Michael John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 05:01
CPC Classifications
G; G01; G01N; G01N27/00; G01N27/72; G01N27/74
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
AN APPARATUS FOR MEASURING THE MAGNETIC SUSCEPTIBILITY OF GASES COMPRISING A CELL FOR RECEIVING THE GAS WHOSE SUSCEPTIBILITY IS TO BE MEASURED, MEANS FOR PRODUCING A NON-UNIFORM MAGNETIC FIELD IN SAID CELL, A TEST PIECE ROTATABLY SUPPORTED IN SAID CELL AND IN SAID MAGNETIC FIELD, SAID TEST PIECE VARYING ITS POSITION IN SAID CELL IN ACCORDANCE WITH THE MAGNETIC SUSCEPTIBILITY OF SAID GAS, A PAIR OF CONDUCTIVE LOOPS MOUNTED FOR MOVEMENT WITH SAID TEST PIECE, ONE OF SAID LOOPS BEING MOUNTED ON ONE SIDE OF THE AXIS OF ROTATION OF SAID TEST PIECE AND THE OTHER OF SAID LOOPS BEING MOUNTED ON THE OPPOSITE SIDE OF THE AXIS AND SAID LOOPS LYING IN A PLANE WHICH INTERSECTS SAID AXIS AT AN ANGLE, AND MEANS CONDUCTIVELY CONNECTING THE ENDS OF SAID LOOPS.
Claim 2
Independent Claim
131 words
AN APPARATUS FOR MEASURING THE MAGNETIC SUSCEPTIBILITY OF GASES COMPRISING A CELL FOR RECEIVING THE GAS WHOSE SUSCEPTIBILITY IS TO BE MEASURED, MEANS FOR PRODUCING A NON-UNIFORM MAGNETIC FIELD IN SAID CELL, A TEST PIECE ROTATABLY SUPPORTED IN SAID CELL AND IN SAID MAGNETIC FIELD, SAID TEST PIECE VARYING ITS POSITION IN SAID CELL IN ACCORDANCE WITH THE MAGNETIC SUSCEPTIBILITY OF SAID GAS, A PAIR OF CONDUCTIVE LOOPS MOUNTED FOR MOVEMENT WITH SAID TEST PIECE, ONE OF SAID LOOPS BEING MOUNTED ON ONE SIDE OF THE AXIS OF ROTATION OF SAID TEST PIECE AND THE OTHER OF SAID LOOPS BEING MOUNTED ON THE OPPOSITE SIDE OF THE AXIS AND SAID LOOPS LYING IN A PLANE WHICH INTERSECTS SAID AXIS AT AN ANGLE, AND MEANS CONDUCTIVELY CONNECTING THE ENDS OF SAID LOOPS.
References Cited (Backward Citations)
US2416344A
Cited
US2448111A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-01 | 1959-10-31 | 1960-05-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-01 | 1963-10-31 | 1964-05-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-01 | 1967-10-31 | 1968-05-01 | $7700.00 | Window Closed / Lapsed |