Patent US2337111A successfully refreshed from Google Patents.
Patent US3140593A successfully refreshed from Google Patents.
US3140593A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas fueled lighter
Assignee: Wieden & Co GmbH
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Filing: 1962-09-21
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Granted: 1964-07-14
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Expires: 1982-09-21
Abstract
No abstract record available.
Inventors
- 👤 Baumann Kurt
- 👤 Buss Klaus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 20:33
CPC Classifications
F; F23; F23Q; F23Q2/00; F23Q2/16; F23Q2/167; F23Q2/173
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
348 words
A GAS FUELED LIGHTER COMPRISING A CONTAINER, DEFINING A FUEL CHAMBER, A TUBULAR BURNER HOUSING RIGIDLY SECURED TO AND DISPOSED WITHIN SAID FUEL CHAMBER, A CLOSING CAP PIVOTALLY MOUNTED ON SAID BURNER HOUSING, SAID TUBULAR BURNER HOUSING HAVING AN INNER THREAD AT ITS UPPER END, A HOLLOW SHAFT HAVING AN OUTER THREAD AT ITS UPPER END COMPLEMENTARY TO SAID INNER THREAD OF SAID TUBULAR BURNER AND THREADEDLY RECEIVED BY THE LATTER, A BURNER TUBE MOUNTED IN SAID HOLLOW SHAFT, SPRING MEANS SURROUNDING THE UPPER END OF SAID BURNER TUBE AND URGING SAID BURNER TUBE INTO ITS OUTERMOST POSITION, A VALVE PISTON DISPOSED IN SAID HOLLOW SHAFT BELOW SAID BURNER TUBE, A VALVE CONE DISPOSED IN SAID BURNER HOUSING BELOW AND OPPOSITE SAID VALVE PISTON AND HAVING AN UPPER SEAT AND AN AXIAL FUEL DISCHARGE BORE EXTENDING THROUGH SAID VALVE CONE, SAID VALVE PISTON BEING AXIALLY SPACED APART FROM SAID VALVE CONE IN ITS OPERATIVE, LIFTED AND FUEL-FEEDING POSITION AND URGED AGAINST THE UPPER SIDE OF SAID VALVE CONE UPON CLOSING SAID CLOSING CAP IN ITS LOWERED, INOPERATIVE POSITION, A CORE MEMBER DISPOSED IN SAID BURNER HOUSING BELOW SAID VALVE CONE. A WICK SURROUNDING SAID CORE MEMBER AND SAID VALVE CONE BEING PRESSED ON SAID WICK BY MEANS WITH A VARIABLE PRESSURE IN ORDER TO CONTROL THE FUEL FEED FROM SAID WICK THROUGH SAID DISCHARGE BORE OF SAID VALVE CONE, A FIBROUS STOPPER DISPOSED IN SAID DISCHARGE BORE OF SAID VALVE CONE, THE RUN OF THE FIBERS OF SAID FIBROUS STOPPER BEING DISPOSED CROSSWISE TO THE FIBERS OF SAID WICK WITHIN THE RANGE OF ENGAGEMENT OF THE LOWER FACE OF SAID VALVE CONE WITH SAID WICK, THE INNER END OF SAID BURNER HOUSING BELOW SAID VALVE CONE DEFINING A CHAMBER RECEIVING SAID WICK AND HAVING AN OPENING FOR COMMUNICATION BETWEEN SAID LAST-MENTIONED CHAMBER AND SAID FUEL CHAMBER, AND SAID FIBROUS STOPPER, BEING DISPOSED IN SAID DISCHARGE BORE OF SAID VALVE CONE, HAS A LENGTH AMOUNTING TO A MULTIPLE OF THE DIAMETER OF SAID DISCHARGE BORE AND EXTENDS TO A POINT SHORT OF SAID UPPER SEAT OF SAID VALVE CONE.
Claim 2
Dependent Claim
348 words
A GAS FUELED LIGHTER COMPRISING A CONTAINER, DEFINING A FUEL CHAMBER, A TUBULAR BURNER HOUSING RIGIDLY SECURED TO AND DISPOSED WITHIN SAID FUEL CHAMBER, A CLOSING CAP PIVOTALLY MOUNTED ON SAID BURNER HOUSING, SAID TUBULAR BURNER HOUSING HAVING AN INNER THREAD AT ITS UPPER END, A HOLLOW SHAFT HAVING AN OUTER THREAD AT ITS UPPER END COMPLEMENTARY TO SAID INNER THREAD OF SAID TUBULAR BURNER AND THREADEDLY RECEIVED BY THE LATTER, A BURNER TUBE MOUNTED IN SAID HOLLOW SHAFT, SPRING MEANS SURROUNDING THE UPPER END OF SAID BURNER TUBE AND URGING SAID BURNER TUBE INTO ITS OUTERMOST POSITION, A VALVE PISTON DISPOSED IN SAID HOLLOW SHAFT BELOW SAID BURNER TUBE, A VALVE CONE DISPOSED IN SAID BURNER HOUSING BELOW AND OPPOSITE SAID VALVE PISTON AND HAVING AN UPPER SEAT AND AN AXIAL FUEL DISCHARGE BORE EXTENDING THROUGH SAID VALVE CONE, SAID VALVE PISTON BEING AXIALLY SPACED APART FROM SAID VALVE CONE IN ITS OPERATIVE, LIFTED AND FUEL-FEEDING POSITION AND URGED AGAINST THE UPPER SIDE OF SAID VALVE CONE UPON CLOSING SAID CLOSING CAP IN ITS LOWERED, INOPERATIVE POSITION, A CORE MEMBER DISPOSED IN SAID BURNER HOUSING BELOW SAID VALVE CONE. A WICK SURROUNDING SAID CORE MEMBER AND SAID VALVE CONE BEING PRESSED ON SAID WICK BY MEANS WITH A VARIABLE PRESSURE IN ORDER TO CONTROL THE FUEL FEED FROM SAID WICK THROUGH SAID DISCHARGE BORE OF SAID VALVE CONE, A FIBROUS STOPPER DISPOSED IN SAID DISCHARGE BORE OF SAID VALVE CONE, THE RUN OF THE FIBERS OF SAID FIBROUS STOPPER BEING DISPOSED CROSSWISE TO THE FIBERS OF SAID WICK WITHIN THE RANGE OF ENGAGEMENT OF THE LOWER FACE OF SAID VALVE CONE WITH SAID WICK, THE INNER END OF SAID BURNER HOUSING BELOW SAID VALVE CONE DEFINING A CHAMBER RECEIVING SAID WICK AND HAVING AN OPENING FOR COMMUNICATION BETWEEN SAID LAST-MENTIONED CHAMBER AND SAID FUEL CHAMBER, AND SAID FIBROUS STOPPER, BEING DISPOSED IN SAID DISCHARGE BORE OF SAID VALVE CONE, HAS A LENGTH AMOUNTING TO A MULTIPLE OF THE DIAMETER OF SAID DISCHARGE BORE AND EXTENDS TO A POINT SHORT OF SAID UPPER SEAT OF SAID VALVE CONE.
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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) | 1967-07-14 | 1968-01-13 | 1968-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-14 | 1972-01-13 | 1972-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-14 | 1976-01-13 | 1976-07-14 | $7700.00 | Window Closed / Lapsed |