US2712352A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for vaporizing and igniting cold liquid fuel
Assignee: Surface Combustion Corp
•
Filing: 1950-11-28
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Granted: 1955-07-05
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Expires: 1970-11-28
Abstract
No abstract record available.
Inventors
- 👤 Paul A Manor
- 👤 John K Siddle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:42
CPC Classifications
F; F02; F02N; F02N19/00; F02N19/02; F02N19/04; F02N19/10; F23; F23C; F23C99/00; F23C2700/00; F23C2700/02; F23C2700/026
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
108 words
IN A HEATER FOR USE IN ARCTIC REGIONS, IN COMBUSTION, MEANS FORMING A COMBUSTION CHAMBER, MEANS FOR SUPPLYING FUEL AND AIR TO THE COMBUSTION CHAMBER, AND MEANS FOR IGNITING THE FUEL COMPRISING A RECESS THAT IS CLOSED AT ONE END AND HAS ITS OTHER END OPENING INTO THE COMBUSTION CHAMBER, AN ASBESTOS-TYPE WICK MATERIAL FORMING THE INNER SIDE SURFACES OF THE RECESS BETWEEN THE ENDS THEREOF, AN ELECTRICAL RESISTANCE HEATING ELEMENT SO ARRANGED IN THE RECESS THAT SUCH ASBESTOS-TYPE WICK MATERIAL SURROUNDS AND RECEIVING A SUBSTANTIAL PORTION OF THE HEAT RADIATED FROM THE HEATING ELEMENT, THE RECESS ALSO HAVING A SUBSTANTIAL AIR SPACE THEREIN, MEANS FOR SUPPLYING LIQUID
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-07-04 | 1959-01-03 | 1959-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-07-04 | 1963-01-03 | 1963-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-07-04 | 1967-01-03 | 1967-07-05 | $7700.00 | Window Closed / Lapsed |