US3118490A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid-fuel burning apparatus
Assignee: Individual
•
Filing: 1961-08-21
•
Granted: 1964-01-21
•
Expires: 1981-08-21
Abstract
No abstract record available.
Inventors
- 👤 Nigel W H Page-Roberts
- 👤 Rhodes George
- 👤 Paull Graham James
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 02:51
CPC Classifications
F; F23; F23C; F23C99/00; F23C2700/00; F23C2700/02; F23C2700/026
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
155 words
A VAPORISER COMPRISING A CASING, A HEATER ELEMENT WITH ELECTRIC RESISTANCE HEATING MEANS THEREIN, A TROUGH MEMBER ALONG WHICH THE SAID HEATER ELEMENT EXTENDS AND IN WHICH LIQUID CAN COLLECT AND BE UNDER THE DIRECT INFLUENCE OF THE HEATER ELEMENT, A VAPORISING CHAMBER FORMED AROUND SAID HEATER ELEMENT COMPRISING AN ANNULAR CHAMBER AROUND A PORTION OF SAID HEATER ELEMENT IN WHICH SAID TROUGH MEMBER IS ARRANGED IN A RAISED POSITION CLOSELY UNDERLYING SAID PORTION AND A SECOND ANNULAR VAPOR-HEATING SECTION WHICH IS FORMED BY A FINE PITCH HELICAL PASSAGE AROUND ANOTHER PORTION OF SAID HEATER ELEMENT AND IS EXPOSED TO THE ACTION OF THE HEATER ELEMENT, COMMUNICATION MEANS BETWEEN THE SAID SECTIONS ARRANGED SO THAT THE SECOND SECTION RECEIVES THE VAPOURS ONLY FROM THE PRELIMINARY SECTION AND FURTHER HEATS THEM, AND MEANS FROM WHICH A HIGH VELOCITY GASEOUS JET OF THE FUEL WHICH HAS PASSED THROUGH SAID SECTIONS CAN BE DELIVERED FOR MIXTURE WITH AIR.
Claim 2
Dependent Claim
155 words
A VAPORISER COMPRISING A CASING, A HEATER ELEMENT WITH ELECTRIC RESISTANCE HEATING MEANS THEREIN, A TROUGH MEMBER ALONG WHICH THE SAID HEATER ELEMENT EXTENDS AND IN WHICH LIQUID CAN COLLECT AND BE UNDER THE DIRECT INFLUENCE OF THE HEATER ELEMENT, A VAPORISING CHAMBER FORMED AROUND SAID HEATER ELEMENT COMPRISING AN ANNULAR CHAMBER AROUND A PORTION OF SAID HEATER ELEMENT IN WHICH SAID TROUGH MEMBER IS ARRANGED IN A RAISED POSITION CLOSELY UNDERLYING SAID PORTION AND A SECOND ANNULAR VAPOR-HEATING SECTION WHICH IS FORMED BY A FINE PITCH HELICAL PASSAGE AROUND ANOTHER PORTION OF SAID HEATER ELEMENT AND IS EXPOSED TO THE ACTION OF THE HEATER ELEMENT, COMMUNICATION MEANS BETWEEN THE SAID SECTIONS ARRANGED SO THAT THE SECOND SECTION RECEIVES THE VAPOURS ONLY FROM THE PRELIMINARY SECTION AND FURTHER HEATS THEM, AND MEANS FROM WHICH A HIGH VELOCITY GASEOUS JET OF THE FUEL WHICH HAS PASSED THROUGH SAID SECTIONS CAN BE DELIVERED FOR MIXTURE WITH AIR.
References Cited (Backward Citations)
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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) | 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 |