US3307613A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control apparatus
Assignee: Honeywell Inc
•
Filing: 1965-09-03
•
Granted: 1967-03-07
•
Expires: 1985-09-03
Abstract
No abstract record available.
Inventors
- 👤 Edward F Rexer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:22
CPC Classifications
F; F23; F23Q; F23Q9/00; F23D; F23D14/00; F23D14/46; F23D14/60; F23N; F23N2225/00; F23N2225/08; F23N2225/16; Y; Y10; Y10T; Y10T137/00; Y10T137/1842; Y10T137/1915; Y10T137/1939; Y10T137/1963; Y10T137/1987
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
IN COMBINATION: BURNER MEANS; CONTROL MEANS; SENSING MEANS, CONSTRUCTED AND ARRANGED TO BE RESPONSIVE TO A PREDETERMINED LEVEL OF CARBON MONOXIDE AND TO A PREDETERMINED TEMPERATURE; MEANS SUPPORTING SAID SENSING MEANS IN THE ATMOSPHERE SURROUNDING SAID BURNER MEANS AND OUT OF CONTACT WITH ANY NORMAL BURNER FLAME BUT IN HEAT EXCHANGE RELATIONSHIP WITH SAID BURNER MEANS, AND MEANS CONNECTING SAID SENSING MEANS IN CONTROLLING RELATION TO SAID CONTROL MEANS, SAID SENSING MEANS RESPONDING TO THE TEMPERATURE OF SAID BURNER MEANS AND TO THE CARBON MONOXIDE CONTENT OF THE ATMOSPHERE SURROUNDING SAID BURNER MEANS TO ACTUATE SAID CONTROL MEANS WHEN THE CARBON MONOXIDE CONTENT OF THE ATMOSPHERE REACHES SAID PREDETERMINED LEVEL OR WHEN SAID BURNER MEANS NO LONGER HEATS SAID SENSING MEANS TO SAID PREDETERMINED TEMPERATURE.
Claim 2
Dependent Claim
125 words
IN COMBINATION: BURNER MEANS; CONTROL MEANS; SENSING MEANS, CONSTRUCTED AND ARRANGED TO BE RESPONSIVE TO A PREDETERMINED LEVEL OF CARBON MONOXIDE AND TO A PREDETERMINED TEMPERATURE; MEANS SUPPORTING SAID SENSING MEANS IN THE ATMOSPHERE SURROUNDING SAID BURNER MEANS AND OUT OF CONTACT WITH ANY NORMAL BURNER FLAME BUT IN HEAT EXCHANGE RELATIONSHIP WITH SAID BURNER MEANS, AND MEANS CONNECTING SAID SENSING MEANS IN CONTROLLING RELATION TO SAID CONTROL MEANS, SAID SENSING MEANS RESPONDING TO THE TEMPERATURE OF SAID BURNER MEANS AND TO THE CARBON MONOXIDE CONTENT OF THE ATMOSPHERE SURROUNDING SAID BURNER MEANS TO ACTUATE SAID CONTROL MEANS WHEN THE CARBON MONOXIDE CONTENT OF THE ATMOSPHERE REACHES SAID PREDETERMINED LEVEL OR WHEN SAID BURNER MEANS NO LONGER HEATS SAID SENSING MEANS TO SAID PREDETERMINED TEMPERATURE.
References Cited (Backward Citations)
US970122A
Cited
US1559461A
Cited
US2106249A
Cited
US2425059A
Cited
US2508588A
Cited
US2675816A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-03-06 | 1970-09-05 | 1971-03-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-06 | 1974-09-05 | 1975-03-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-06 | 1978-09-05 | 1979-03-07 | $7700.00 | Window Closed / Lapsed |