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US3118600A
Expired / Lapsed
US
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Continuous flow fluid heater control
Assignee: Individual
•
Filing: 1961-08-28
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Granted: 1964-01-21
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Expires: 1981-08-28
Abstract
No abstract record available.
Inventors
- 👤 Avy L Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 11:59
CPC Classifications
F; F23; F23N; F23N1/00; F23N1/08; F23N1/087; F23N2225/00; F23N2225/08; F23N2225/18; F23N2225/19; F23N2235/00; F23N2235/12; F23N2235/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
SAFETY FUEL CONTROL FOR A CONTINUOUS FLOW FLUID HEATER COMPRISING. A RECIRCULATORY FLUID SYSTEM INCLUDING A HEATER FOR HEATING FLUID IN THE SYSTEM; MEANS CONTROLLING THE SUPPLY OF FUEL TO THE HEATER; NORMALLY OPERATING MEANS RESPONSIVE TO THE TEMPERATURE OF THE FLUID PRIOR TO ITS ENTRANCE INTO THE HEATER FOR ACTUATING SAID FUEL CONTROL MEANS; AND ABNORMALLY OPERATING, SAFETY MEANS RESPONSIVE TO CESSATION OF FLOW OF FLUID THROUGH THE HEATER FOR ACTUATING SAID FUEL CONTROL MEANS, SAID ABNORMALLY OPERATING, FLOW RESPONSIVE SAFETY MEANS BEING CONNECTED TO PREVENT OPERATION OF SAID FUEL CONTROLLING MEANS TO SUPPLY FUEL TO THE HEATER AFTER STOPPING OF FLUID FLOW, REGARDLESS OF SAID TEMPERATURE RESPONSIVE MEANS CALLING FOR FUEL TO BE SUPPLIED.
Claim 2
Dependent Claim
116 words
SAFETY FUEL CONTROL FOR A CONTINUOUS FLOW FLUID HEATER COMPRISING. A RECIRCULATORY FLUID SYSTEM INCLUDING A HEATER FOR HEATING FLUID IN THE SYSTEM; MEANS CONTROLLING THE SUPPLY OF FUEL TO THE HEATER; NORMALLY OPERATING MEANS RESPONSIVE TO THE TEMPERATURE OF THE FLUID PRIOR TO ITS ENTRANCE INTO THE HEATER FOR ACTUATING SAID FUEL CONTROL MEANS; AND ABNORMALLY OPERATING, SAFETY MEANS RESPONSIVE TO CESSATION OF FLOW OF FLUID THROUGH THE HEATER FOR ACTUATING SAID FUEL CONTROL MEANS, SAID ABNORMALLY OPERATING, FLOW RESPONSIVE SAFETY MEANS BEING CONNECTED TO PREVENT OPERATION OF SAID FUEL CONTROLLING MEANS TO SUPPLY FUEL TO THE HEATER AFTER STOPPING OF FLUID FLOW, REGARDLESS OF SAID TEMPERATURE RESPONSIVE MEANS CALLING FOR FUEL TO BE SUPPLIED.
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) | 1967-01-20 | 1967-07-22 | 1968-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-20 | 1971-07-22 | 1972-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-20 | 1975-07-22 | 1976-01-21 | $7700.00 | Window Closed / Lapsed |