US3086579A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid fuel heater
Assignee: TEST INST CORP
•
Filing: 1959-06-10
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Granted: 1963-04-23
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Expires: 1979-06-10
Abstract
No abstract record available.
Inventors
- 👤 Richard J Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:41
CPC Classifications
B; B60; B60H; B60H1/00; B60H1/22; B60H1/2203; B60H1/2209; F; F02; F02M; F02M1/00; F24; F24H; F24H3/00; F24H3/02; F24H3/06; F24H3/065; B60H2001/2268; F02M2700/00; F02M2700/43; F02M2700/4302; F02M2700/434
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
142 words
IN A LIQUID FUEL TYPE HEATER APPARATUS, THE COMBINATION OF A CERAMIC BLOCK OF GRANULAR FIRED POROUS REFRACTORY, SAID BLOCK HAVING TWO RELATIVELY ADJACENT PORTS TERMINATING THEREIN AND HAVING A MOUNTING MEANS WHILE BEING OTHERWISE SUBSTANTIALLY IMPERFORATE EXCEPT FOR THE INTERSTICES BETWEEN THE REFRACTORY GRAINS, A FUEL SUPPLY PIPE EXTENDING INTO AND TERMINATING IN ONE OF SAID PORTS, MEANS FOR CONVEYING FUEL TO SAID SUPPLY PIPE WHEREBY SAID FUEL PENETRATES SAID POROUS BLOCK, MEANS FOR CONVEYING AIR UNDER PRESSURE TO PENETRATE PORTIONS OF THE OUTER SURFACE OF SAID BLOCK ADJACENT SAID FUEL SUPPLY PIPE AND THUS TO PENETRATE THE BLOCK AND MIX THEREIN WITH SAID FUEL, AN ELECTRICAL GLOW PLUG ASSEMBLY EXTENDING INTO AND TERMINATING IN THE OTHER OF SAID PORTS WHEREBY TO HEAT TO IGNITION TEMPERATURE SAID PORTIONS OF THE BLOCK WHICH CONTAIN A MIXTURE OF SAID FUEL AND SAID AIR.
Claim 2
Dependent Claim
142 words
IN A LIQUID FUEL TYPE HEATER APPARATUS, THE COMBINATION OF A CERAMIC BLOCK OF GRANULAR FIRED POROUS REFRACTORY, SAID BLOCK HAVING TWO RELATIVELY ADJACENT PORTS TERMINATING THEREIN AND HAVING A MOUNTING MEANS WHILE BEING OTHERWISE SUBSTANTIALLY IMPERFORATE EXCEPT FOR THE INTERSTICES BETWEEN THE REFRACTORY GRAINS, A FUEL SUPPLY PIPE EXTENDING INTO AND TERMINATING IN ONE OF SAID PORTS, MEANS FOR CONVEYING FUEL TO SAID SUPPLY PIPE WHEREBY SAID FUEL PENETRATES SAID POROUS BLOCK, MEANS FOR CONVEYING AIR UNDER PRESSURE TO PENETRATE PORTIONS OF THE OUTER SURFACE OF SAID BLOCK ADJACENT SAID FUEL SUPPLY PIPE AND THUS TO PENETRATE THE BLOCK AND MIX THEREIN WITH SAID FUEL, AN ELECTRICAL GLOW PLUG ASSEMBLY EXTENDING INTO AND TERMINATING IN THE OTHER OF SAID PORTS WHEREBY TO HEAT TO IGNITION TEMPERATURE SAID PORTIONS OF THE BLOCK WHICH CONTAIN A MIXTURE OF SAID FUEL AND SAID AIR.
References Cited (Backward Citations)
US2174818A
Cited
US2199777A
Cited
US2286853A
Cited
US2286854A
Cited
US2386746A
Cited
US2447373A
Cited
US2685335A
Cited
US2775293A
Cited
US2779398A
Cited
US2879837A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-22 | 1966-10-22 | 1967-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-22 | 1970-10-22 | 1971-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-22 | 1974-10-22 | 1975-04-23 | $7700.00 | Window Closed / Lapsed |