US3247702A
Expired / Lapsed
US
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Method of calibrating gas analyzers
Assignee: Beckman Coulter Inc
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Filing: 1964-02-21
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Granted: 1966-04-26
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Expires: 1984-02-21
Abstract
No abstract record available.
Inventors
- 👤 Edwin A Houser
- 👤 George S Turner
- 👤 Paul A Hersch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 05:54
CPC Classifications
G; G01; G01N; G01N30/00; G01N30/02; G01N30/04; G01N30/06; G01N33/00; G01N33/0004; G01N33/0006
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
IN A METHOD OF CALIBRATING A GAS ANALYZER FOR THE ANALYSIS OF A MATERIAL, THE STEPS COMPRISING: PROVIDING REACTANTS FROM A STORED GAS MIXTURE FOR THE SYNTHESIS OF SAID MATERIAL WITH ONE OF SAID REACTANTS BEING PRESENT IN A KNOWN CONCENTRATION AND THE OTHER REACTANT BEING PRESENT IN AT LEAST A STOICHIOMETRIC AMOUNT; REACTING SAID REACTANTS TO OBTAIN A SUBSTANTIALLY COMPLETE CONVERSION OF SAID ONE REACTANT TO SAID MATERIAL; AND DELIVERING THE SYNTHESIZED SAID MATERIAL TO THE GAS ANALYZER.
Claim 2
Dependent Claim
79 words
IN A METHOD OF CALIBRATING A GAS ANALYZER FOR THE ANALYSIS OF A MATERIAL, THE STEPS COMPRISING: PROVIDING REACTANTS FROM A STORED GAS MIXTURE FOR THE SYNTHESIS OF SAID MATERIAL WITH ONE OF SAID REACTANTS BEING PRESENT IN A KNOWN CONCENTRATION AND THE OTHER REACTANT BEING PRESENT IN AT LEAST A STOICHIOMETRIC AMOUNT; REACTING SAID REACTANTS TO OBTAIN A SUBSTANTIALLY COMPLETE CONVERSION OF SAID ONE REACTANT TO SAID MATERIAL; AND DELIVERING THE SYNTHESIZED SAID MATERIAL TO THE GAS ANALYZER.
References Cited (Backward Citations)
US2981091A
Cited
US3096157A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-25 | 1969-10-25 | 1970-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-25 | 1973-10-25 | 1974-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-25 | 1977-10-25 | 1978-04-26 | $7700.00 | Window Closed / Lapsed |