US3262444A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spray humidifier for heating systems
Assignee: Aqua Mist Inc
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Filing: 1965-09-23
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Granted: 1966-07-26
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Expires: 1985-09-23
Abstract
No abstract record available.
Inventors
- 👤 Davidson Richard Moore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:30
CPC Classifications
F; F24; F24D; F24D5/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
169 words
A WARM AIR HEATING SYSTEM COMPRISING A FURNACE ADAPTED TO HEAT AIR FOR SUPPLY TO A LIVING SPACE, AIR PASSAGE MEANS EXTENDING THROUGH SAID FURNACE FOR CIRCULATION OF AIR THROUGH SAID FURNACE, ELECTRICALLY CONTROLLED BURNER MEANS FOR HEATING AIR IN SAID AIR PASSAGE MEANS, A ROOM THERMOSTAT RESPONSIVE TO TEMPERATURE IN SAID LIVING SPACE FOR OPERATING SAID BURNER MEANS DURING THE PERIOD SAID THERMOSTAT OCCUPIES A DEMAND CONDITION, AN ELECTRICALLY DRIVEN BLOWER FOR CIRCULATING AIR THROUGH SAID AIR PASSAGE MEANS TO SAID LIVING SPACE, SWITCH MEANS RESPONSIVE TO TEMPERATURE IN A SELECTED ZONE OF SID FURNACE FOR OPERATING SAID BLOWER DURING THE PERIOD THE TEMPERATURE IN SAID ZONE IS ABOVE A SELECTED LEVEL, WATER SPRAY MEANS IN SAID AIR PASSAGE MEANS TO HUMIDIFY AIR CIRCULATING THERETHROUGH, VALVE MEANS CONTROLLING WATER SUPPLY TO SAID SPRAY MEANS, AND ELECTRICAL CONTROL MEANS FOR SAID VALVE MEANS INTERCOUPLED WITH SAID ROOM THERMOSTAT AND SAID SWITCH MEANS FOR OPERATING SAID VALVE MEANS ONLY DURING CONCURRENT OPERATION OF BOTH SAID BURNER MEANS AND SAID BLOWER.
Claim 2
Dependent Claim
169 words
A WARM AIR HEATING SYSTEM COMPRISING A FURNACE ADAPTED TO HEAT AIR FOR SUPPLY TO A LIVING SPACE, AIR PASSAGE MEANS EXTENDING THROUGH SAID FURNACE FOR CIRCULATION OF AIR THROUGH SAID FURNACE, ELECTRICALLY CONTROLLED BURNER MEANS FOR HEATING AIR IN SAID AIR PASSAGE MEANS, A ROOM THERMOSTAT RESPONSIVE TO TEMPERATURE IN SAID LIVING SPACE FOR OPERATING SAID BURNER MEANS DURING THE PERIOD SAID THERMOSTAT OCCUPIES A DEMAND CONDITION, AN ELECTRICALLY DRIVEN BLOWER FOR CIRCULATING AIR THROUGH SAID AIR PASSAGE MEANS TO SAID LIVING SPACE, SWITCH MEANS RESPONSIVE TO TEMPERATURE IN A SELECTED ZONE OF SID FURNACE FOR OPERATING SAID BLOWER DURING THE PERIOD THE TEMPERATURE IN SAID ZONE IS ABOVE A SELECTED LEVEL, WATER SPRAY MEANS IN SAID AIR PASSAGE MEANS TO HUMIDIFY AIR CIRCULATING THERETHROUGH, VALVE MEANS CONTROLLING WATER SUPPLY TO SAID SPRAY MEANS, AND ELECTRICAL CONTROL MEANS FOR SAID VALVE MEANS INTERCOUPLED WITH SAID ROOM THERMOSTAT AND SAID SWITCH MEANS FOR OPERATING SAID VALVE MEANS ONLY DURING CONCURRENT OPERATION OF BOTH SAID BURNER MEANS AND SAID BLOWER.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-07-25 | 1970-01-24 | 1970-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-25 | 1974-01-24 | 1974-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-25 | 1978-01-24 | 1978-07-26 | $7700.00 | Window Closed / Lapsed |