Patent US3236284A successfully refreshed from Google Patents.
US3236284A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Monitoring system for a combustion apparatus and the like
Assignee: Individual
•
Filing: 1963-01-02
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Granted: 1966-02-22
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Expires: 1983-01-02
Abstract
No abstract record available.
Inventors
- 👤 Joseph W Kemper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:37
CPC Classifications
F; F23; F23N; F23N5/00; F23N5/02; F23N5/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
140 words
A GAS-FIRED APPARATUS COMPRISING BURNER MEANS, A MAIN GAS SUPPLY LINE WITH SHUT-OFF MEANS THEREIN FOR SUPPLYING FUEL TO SAID BURNER MEANS, CONSTANT PILOT BURNER MEANS, GAS FEED MEANS COMMUNICATING WITH SAID PILOT MEANS AND MAIN GAS LINE MEANS ON THE INLET SIDE OF SAID SHUT-OFF VALVE MEANS FOR SUPPLYING A CONSTANT PREDETERMINED AMOUNT OF FUEL THERETO, AIR SUPPLY MEANS COMMUNICATING WITH SAID PILOT MEANS TO SUPPLY AIR TO SUPPORT COMBUSTION THERETO, GAS FLOW PRODUCING MEANS FOR WITHDRAWING GAS FROM SAID MAIN GAS LINE MEANS ON THE OUTLET SIDE OF SAID SHUT-OFF VALVE AND DELIVERING SAID WITHDRAWN GAS TO SAID PILOT MEANS AND ALARM MEANS COUPLED TO SAID PILOT BURNER MEANS AND RESPONSIVE TO AN INCREASE IN GAS FLOW TO SAID PILOT MEANS THROUGH SAID GAS SUCTION MEANS ABOVE SAID PREDETERMINED AMOUNT FOR INDICATING A MALFUNCTION IN THE FLOW SYSTEM.
Claim 2
Dependent Claim
140 words
A GAS-FIRED APPARATUS COMPRISING BURNER MEANS, A MAIN GAS SUPPLY LINE WITH SHUT-OFF MEANS THEREIN FOR SUPPLYING FUEL TO SAID BURNER MEANS, CONSTANT PILOT BURNER MEANS, GAS FEED MEANS COMMUNICATING WITH SAID PILOT MEANS AND MAIN GAS LINE MEANS ON THE INLET SIDE OF SAID SHUT-OFF VALVE MEANS FOR SUPPLYING A CONSTANT PREDETERMINED AMOUNT OF FUEL THERETO, AIR SUPPLY MEANS COMMUNICATING WITH SAID PILOT MEANS TO SUPPLY AIR TO SUPPORT COMBUSTION THERETO, GAS FLOW PRODUCING MEANS FOR WITHDRAWING GAS FROM SAID MAIN GAS LINE MEANS ON THE OUTLET SIDE OF SAID SHUT-OFF VALVE AND DELIVERING SAID WITHDRAWN GAS TO SAID PILOT MEANS AND ALARM MEANS COUPLED TO SAID PILOT BURNER MEANS AND RESPONSIVE TO AN INCREASE IN GAS FLOW TO SAID PILOT MEANS THROUGH SAID GAS SUCTION MEANS ABOVE SAID PREDETERMINED AMOUNT FOR INDICATING A MALFUNCTION IN THE FLOW SYSTEM.
References Cited (Backward Citations)
US2025413A
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US2553062A
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US2585882A
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US2532214A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-21 | 1969-08-23 | 1970-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-21 | 1973-08-23 | 1974-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-21 | 1977-08-23 | 1978-02-22 | $7700.00 | Window Closed / Lapsed |