US3295585A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for sensing the composition of gases, and gas burner system employing same
Assignee: American Gas Association Inc
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Filing: 1965-07-12
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Granted: 1967-01-03
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Expires: 1985-07-12
Abstract
No abstract record available.
Inventors
- 👤 Jr John T Kovach
- 👤 Charles W Thompson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 00:05
CPC Classifications
F; F23; F23Q; F23Q9/00; F23D; F23D14/00; F23D14/46; F23D14/60
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
APPARATUS FOR SENSING THE PROPORTION OF A PREDETERMINED COMPONENT IN A GASEOUS MIXTURE WHICH CONTAINS OXYGEN, A FUEL AND INERTS, COMPRISING: A GAS CONDUIT HAVING GAS INLET MEANS AND GAS OUTLET MEANS; FIRST GAS-TRANSMISSIVE FLAME-STABILIZING SCREEN MEANS DISPOSED INSIDE AND ACROSS THE INTERIOR OF SAID CONDUIT INTERMEDIATE SAID INLET MEANS AND SAID OUTLET MEANS; SECOND GAS-TRANSMISSIVE FLAME-STABILIZING SCREEN MEANS DISPOSED ACROSS SAID OUTLET MEANS; MEANS FOR PERMITTING IGNITION OF SAID GASEOUS MIXTURE AT SAID FIRST SCREEN MEANS WHEN THE GASEOUS MIXTURE SUPPLIED THERETO IS COMBUSTIBLE; AND MEANS FOR DETECTING THE OCCURRENCE OF GASEOUS COMBUSTION AT SAID FIRST SCREEN MEANS.
Claim 2
Dependent Claim
99 words
APPARATUS FOR SENSING THE PROPORTION OF A PREDETERMINED COMPONENT IN A GASEOUS MIXTURE WHICH CONTAINS OXYGEN, A FUEL AND INERTS, COMPRISING: A GAS CONDUIT HAVING GAS INLET MEANS AND GAS OUTLET MEANS; FIRST GAS-TRANSMISSIVE FLAME-STABILIZING SCREEN MEANS DISPOSED INSIDE AND ACROSS THE INTERIOR OF SAID CONDUIT INTERMEDIATE SAID INLET MEANS AND SAID OUTLET MEANS; SECOND GAS-TRANSMISSIVE FLAME-STABILIZING SCREEN MEANS DISPOSED ACROSS SAID OUTLET MEANS; MEANS FOR PERMITTING IGNITION OF SAID GASEOUS MIXTURE AT SAID FIRST SCREEN MEANS WHEN THE GASEOUS MIXTURE SUPPLIED THERETO IS COMBUSTIBLE; AND MEANS FOR DETECTING THE OCCURRENCE OF GASEOUS COMBUSTION AT SAID FIRST SCREEN MEANS.
References Cited (Backward Citations)
US2488330A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-02 | 1970-07-04 | 1971-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-02 | 1974-07-04 | 1975-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-02 | 1978-07-04 | 1979-01-03 | $7700.00 | Window Closed / Lapsed |