Patent US932149A successfully refreshed from Google Patents.
Patent US3111160A successfully refreshed from Google Patents.
← Back to Patent Explorer
US3111160A Expired / Lapsed US ⏱️ 0.0 years remaining

Multiple burner monitor

Assignee: Honeywell Inc
•
Filing: 1961-11-06
•
Granted: 1963-11-19
•
Expires: 1981-11-06
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Francis M Mellette

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 23:28
CPC Classifications
F; F23; F23N; F23N5/00; F23N5/02; F23N5/08; F23N5/082; F23N5/022; F23N2229/00; F23N2229/16; F23N2231/00; F23N2231/10; F23N2237/00; F23N2237/02

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 68 words
MULTIPLE BURNER MONITOR APPARATUS FOR USE WITH A MULTIPLE FUEL BURNER INSTALLATION, COMPRISING; A PLURALITY OF ELECTRICALLY OPERABLE FLAME DETECTORS ONE OF WHICH IS ADAPTED TO BE ASSOCIATED WITH EACH BURNER AND TO BE EFFECTIVE TO SENSE THE PRESENCE OR ABSENCE OF FLAME THEREAT, RECORDER MEANS, MEANS SEQUENTIALLY CONNECTING SAID RECORDER MEANS TO EACH OF SAID PLURALITY OF FLAME DETECTORS TO MEASURE AN ELECTRICAL VOLTAGE CHARACTERISTIC THEREOF THE
Claim 2
Dependent Claim 68 words
MULTIPLE BURNER MONITOR APPARATUS FOR USE WITH A MULTIPLE FUEL BURNER INSTALLATION, COMPRISING; A PLURALITY OF ELECTRICALLY OPERABLE FLAME DETECTORS ONE OF WHICH IS ADAPTED TO BE ASSOCIATED WITH EACH BURNER AND TO BE EFFECTIVE TO SENSE THE PRESENCE OR ABSENCE OF FLAME THEREAT, RECORDER MEANS, MEANS SEQUENTIALLY CONNECTING SAID RECORDER MEANS TO EACH OF SAID PLURALITY OF FLAME DETECTORS TO MEASURE AN ELECTRICAL VOLTAGE CHARACTERISTIC THEREOF THE

References Cited (Backward Citations)

US2304200A Cited
GB695863A Cited
US2692962A Cited
US2865444A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1966-11-18 1967-05-20 1967-11-19 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1970-11-18 1971-05-20 1971-11-19 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1974-11-18 1975-05-20 1975-11-19 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag