US3171398A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wick type kerosene stove
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1962-06-14
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Granted: 1965-03-02
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Expires: 1982-06-14
Abstract
No abstract record available.
Inventors
- 👤 Frank W Lawson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:25
CPC Classifications
F; F24; F24C; F24C5/00; F24C5/02; F24C5/04; F23; F23D; F23D3/00; F23D2900/00; F23D2900/31001
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
185 words
A WICK TYPE STOVE FOR BURNING LIQUID FUEL COMPRISING A FUEL TANK ADAPTED TO CONTAIN A QUANTITY OF LIQUID FUEL HAVING UPWARDLY OUTWARDLY FLARING WALLS, A COVER LID SEATED ON SAID TANK AND DEFINING AT LEAST ONE WICK OPENING, A WICK ELEMENT HELD BY SAID LID SUSPENDED IN SAID FUEL AND PROTRUDING UPWARDLY FROM SAID WICK OPENING, A CHIMNEY UNIT MOUNTED ON SAID COVER LID FOR ROTATION RELATIVE THERETO, SAID CHIMNEY UNIT HAVING OPPOSITELY SLOPING JOINED INNER AND OUTER WALL ELEMENTS AND A GENERALLY HORIZONTAL BURNER ELEMENT SUPPORT PORTION, SAID BURNER ELEMENT SUPPORT PORTION DEFINING AN OPENING WHICH MAY BE POSITIONED INTO REGISTRY WITH SAID WICK AND WICK OPENING BY ROTATION OF SAID CHIMNEY UNIT RELATIVE TO SAID LID TO SELECTIVELY EXPOSE MORE OR LESS OF SAID WICK ELEMENT THROUGH SAID BURNER OPENING FOR COMBUSTION CONTROL, AND A BURNER ELEMENT HAVING OPPOSITELY SLOPING INNER AND OUTER WALL ELEMENTS SPACED APART TO STRADDLE THE BURNER ELEMENT SUPPORT PORTION OF SAID CHIMNEY UNIT TO REST THEREUPON, SAID BURNER ELEMENT AND CHIMNEY UNIT DEFINING A PLURALITY OF OPENINGS PROVIDING ACCESS OF AIR TO SAID BURNER ELEMENT SUPPORT PORTION.
Claim 2
Dependent Claim
185 words
A WICK TYPE STOVE FOR BURNING LIQUID FUEL COMPRISING A FUEL TANK ADAPTED TO CONTAIN A QUANTITY OF LIQUID FUEL HAVING UPWARDLY OUTWARDLY FLARING WALLS, A COVER LID SEATED ON SAID TANK AND DEFINING AT LEAST ONE WICK OPENING, A WICK ELEMENT HELD BY SAID LID SUSPENDED IN SAID FUEL AND PROTRUDING UPWARDLY FROM SAID WICK OPENING, A CHIMNEY UNIT MOUNTED ON SAID COVER LID FOR ROTATION RELATIVE THERETO, SAID CHIMNEY UNIT HAVING OPPOSITELY SLOPING JOINED INNER AND OUTER WALL ELEMENTS AND A GENERALLY HORIZONTAL BURNER ELEMENT SUPPORT PORTION, SAID BURNER ELEMENT SUPPORT PORTION DEFINING AN OPENING WHICH MAY BE POSITIONED INTO REGISTRY WITH SAID WICK AND WICK OPENING BY ROTATION OF SAID CHIMNEY UNIT RELATIVE TO SAID LID TO SELECTIVELY EXPOSE MORE OR LESS OF SAID WICK ELEMENT THROUGH SAID BURNER OPENING FOR COMBUSTION CONTROL, AND A BURNER ELEMENT HAVING OPPOSITELY SLOPING INNER AND OUTER WALL ELEMENTS SPACED APART TO STRADDLE THE BURNER ELEMENT SUPPORT PORTION OF SAID CHIMNEY UNIT TO REST THEREUPON, SAID BURNER ELEMENT AND CHIMNEY UNIT DEFINING A PLURALITY OF OPENINGS PROVIDING ACCESS OF AIR TO SAID BURNER ELEMENT SUPPORT PORTION.
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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) | 1968-03-01 | 1968-08-31 | 1969-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-01 | 1972-08-31 | 1973-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-01 | 1976-08-31 | 1977-03-02 | $7700.00 | Window Closed / Lapsed |