Patent US4367927A successfully refreshed from Google Patents.
US3605484A
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Method and apparatus to determine carbon potential in the atmosphere of treatment furnaces
Assignee: Individual
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Filing: 1968-10-03
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Granted: 1971-09-20
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Expires: 1988-10-03
Abstract
Abstract AN ELECTRICAL SIGNAL REPRESENTATIVE OF THE LOGARITHM OF THE PARTIAL PRESSURE OF THE COMPONENT IN THE FURNACE IS DERIVED AND TO THIS LOGARITHMIC SIGNAL AN ELECTRICAL SIGNAL DIRECTLY RESPONSIVE TO TEMPERATURE IS ADDED TO PROVIDE FOR A TGEMPERATURE CORRECTION FACTOR, OTHER SIGNALS REPRESENTATIVE OF OTHER CORRECTION FACTORS, FOR EXAMPLE TO COMPENSATE FOR DRIFT OF MEASURING INSTRUMENTS, MAY BE ADDED, THE COMPOSITE SIGNAL IS THEN INDICATIVE OF THE CARBON POTENTIAL OF THE ATMOSPHERE WITHIN THE FURNACE.
Inventors
- 👤 Joachim Wunning
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 06:33
CPC Classifications
G; G01; G01N; G01N33/00; G01N33/0004; G01N33/0009; G01N33/0062
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-09-19 | 1975-03-21 | 1975-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-19 | 1979-03-21 | 1979-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-19 | 1983-03-21 | 1983-09-20 | $7700.00 | Window Closed / Lapsed |