Patent US3359784A successfully refreshed from Google Patents.
US3359784A
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Methods of control of industrial processes by continous analysis of a gaseous mixture having a variable compostion
Assignee: Institut de Recherches de la Siderurgie Francaise IRSID
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Filing: 1964-08-11
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Granted: 1967-12-26
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Expires: 1984-08-11
Abstract
No abstract record available.
Inventors
- 👤 Jorre Daniel
- 👤 Staib Claude
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 12:43
CPC Classifications
G; G01; G01N; G01N33/00; G01N33/0004; G01N33/0006; C; C21; C21B; C21B5/00; C21B5/006; C21B7/00; C21B7/24; C21C; C21C5/00; C21C5/28; C21C5/30; G01D; G01D18/00; G01D18/002; G01D18/004; G01D18/006; G01N21/00; G01N21/17; G01N21/25; G01N21/27; G01N21/274
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
127 words
A METHOD OF CONTROL OF THE CHARACTER DESCRIBED COMPRISING THE STEPS OF ANALYZING COMPONENTS OF A TEST GAS BY MEANS OF GAS ANALYZING DEVICES; FEEDING THE THUS OBTAINED TEST OUTPUT VALUES INTO A COMPUTER; PERIODICALLY INTERRUPTING THE ANALYZING PROCESS OF SAID TEST GAS AND INTRODUCING STANDARD GASES OF KNOWN COMPONENTS INTO SAID ANALYZING DEVICES TO OBTAIN CORRESPONDING COMPARISON OUTPUT VALUES; RECORDING THE OBTAINED COMPARISON OUTPUT VALUES IN A COMPUTER; CONVERTING THE RECORDED COMPARISON OUTPUT VALUES BY MEANS OF A PRE-ESTABLISHED INTERPOLATION AND EXTRAPOLATION PROGRAM BY THE COMPUTER INTO A CALIBRATION CURVE FOR THE GAS ANALYZING DEVICES; AND CORRECTING SAID THUS OBTAINED TEST OUTPUT VALUES OF THE ANALYSIS OF SAID TEST GAS DURING THE PERIOD OF ANALYSIS IMMEDIATELY FOLLOWING SAID CALIBRATION ON THE BASIS OF SAID CALIBRATION CURVE.
Claim 2
Independent Claim
127 words
A METHOD OF CONTROL OF THE CHARACTER DESCRIBED COMPRISING THE STEPS OF ANALYZING COMPONENTS OF A TEST GAS BY MEANS OF GAS ANALYZING DEVICES; FEEDING THE THUS OBTAINED TEST OUTPUT VALUES INTO A COMPUTER; PERIODICALLY INTERRUPTING THE ANALYZING PROCESS OF SAID TEST GAS AND INTRODUCING STANDARD GASES OF KNOWN COMPONENTS INTO SAID ANALYZING DEVICES TO OBTAIN CORRESPONDING COMPARISON OUTPUT VALUES; RECORDING THE OBTAINED COMPARISON OUTPUT VALUES IN A COMPUTER; CONVERTING THE RECORDED COMPARISON OUTPUT VALUES BY MEANS OF A PRE-ESTABLISHED INTERPOLATION AND EXTRAPOLATION PROGRAM BY THE COMPUTER INTO A CALIBRATION CURVE FOR THE GAS ANALYZING DEVICES; AND CORRECTING SAID THUS OBTAINED TEST OUTPUT VALUES OF THE ANALYSIS OF SAID TEST GAS DURING THE PERIOD OF ANALYSIS IMMEDIATELY FOLLOWING SAID CALIBRATION ON THE BASIS OF SAID CALIBRATION CURVE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-12-25 | 1971-06-26 | 1971-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-25 | 1975-06-26 | 1975-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-25 | 1979-06-26 | 1979-12-26 | $7700.00 | Window Closed / Lapsed |