US3280884A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Burner control apparatus
Assignee: Honeywell Inc
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Filing: 1966-02-03
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Granted: 1966-10-25
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Expires: 1986-02-03
Abstract
No abstract record available.
Inventors
- 👤 Patrick J Eckelberry
- 👤 Frederick H Loy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:07
CPC Classifications
F; F23; F23N; F23N5/00; F23N5/02; F23N5/08; F23N5/082; F23N2229/00; F23N2229/16; F23N2237/00; F23N2237/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
119 words
AN APPARATUS COMPRISING A MULTIPLE FUEL BURNER INSTALLATION HAVING A MAIN VALVE AND A PLURALITY OF INDIVIDUAL FUEL BURNERS EACH OF WHICH INCLUDES A FLAME DETECTING MEANS HAVING A "FLAME" CONDITION AND A "NOFLAME" CONDITION, AND IN WHICH A SWITCH CONTROLLED IS EFFECTIVE WHEN IN THE START POSITION TO FACILITATE THE ESTABLISHMENT OF FLAME AT THE INDIVIDUAL FUEL BURNERS, WHEREUPON MAINTAINING CIRCUIT MEANS IS ESTABLISHED BY THE PLURALITY OF FLAME DETECTING MEANS IN THE "FLAME" CONDITION, THE IMPROVEMENT COMPRISING: A PLURALITY OF ELECTRICALLY ENERGIZABLE FLAME FAILURE INDICATING MEANS, ONE FOR EACH OF THE INDIVIDUAL FUEL BURNERS, SAID INDICATING MEANS INITIALLY BEING RESPONSIVE TO A STARTING VOLTAGE AND SUBSEQUENTLY BEING RESPONSIVE TO A SUSTAINING VOLTAGE, A SOURCE OF STARTING VOLTAGE,
Claim 2
Independent Claim
119 words
AN APPARATUS COMPRISING A MULTIPLE FUEL BURNER INSTALLATION HAVING A MAIN VALVE AND A PLURALITY OF INDIVIDUAL FUEL BURNERS EACH OF WHICH INCLUDES A FLAME DETECTING MEANS HAVING A "FLAME" CONDITION AND A "NOFLAME" CONDITION, AND IN WHICH A SWITCH CONTROLLED IS EFFECTIVE WHEN IN THE START POSITION TO FACILITATE THE ESTABLISHMENT OF FLAME AT THE INDIVIDUAL FUEL BURNERS, WHEREUPON MAINTAINING CIRCUIT MEANS IS ESTABLISHED BY THE PLURALITY OF FLAME DETECTING MEANS IN THE "FLAME" CONDITION, THE IMPROVEMENT COMPRISING: A PLURALITY OF ELECTRICALLY ENERGIZABLE FLAME FAILURE INDICATING MEANS, ONE FOR EACH OF THE INDIVIDUAL FUEL BURNERS, SAID INDICATING MEANS INITIALLY BEING RESPONSIVE TO A STARTING VOLTAGE AND SUBSEQUENTLY BEING RESPONSIVE TO A SUSTAINING VOLTAGE, A SOURCE OF STARTING VOLTAGE,
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) | 1969-10-24 | 1970-04-25 | 1970-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-24 | 1974-04-25 | 1974-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-24 | 1978-04-25 | 1978-10-25 | $7700.00 | Window Closed / Lapsed |