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Patent US3114249A successfully refreshed from Google Patents.
US3114249A
Expired / Lapsed
US
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Gas-burning cigarette lighters
Assignee: Colibri Lighters Ltd
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Filing: 1961-07-28
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Granted: 1963-12-17
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Expires: 1981-07-28
Abstract
No abstract record available.
Inventors
- 👤 Lowenthal Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:09
CPC Classifications
F; F23; F23Q; F23Q2/00; F23Q2/16; F23Q2/173
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
133 words
IN A GAS-BURNING CIGARETTE LIGHTER COMPRISING A GAS RESERVOIR, A BURNER, AND A GAS OUTLET PASSAGE LEADING FROM SAID GAS RESERVOIR TO SAID BURNER, THE IMPROVEMENT WHICH COMPRISES FIRST AND SECOND PRESSURE-REDUCING VALVES IMMEDIATELY ADJACENT EACH OTHER IN SERIES IN SAID GAS OUTLET PASSAGE, A PART OF SAID FIRST VALVE FORMING A VALVE SEAT FOR SAID SECOND VALVE, SAID FIRST VALVE BEING ADJUSTABLE TO A POSITION IN WHICH THE GREATER PART OF THE GAS PRESSURE REDUCTION BETWEEN SAID RESERVOIR AND SAID BURNER TAKES PLACE THERETHROUGH SO AS TO LIMIT THE LENGTH OF THE FLAME AT THE BURNER TO A DESIRED MAXIMUM, AND MANUALLY ADJUSTABLE MEANS FOR CONTROLLING SAID SECOND VALVE AND THEREBY VARYING THE LENGTH OF THE FLAME AT THE BURNER UP TO THE MAXIMUM PERMITTED BY THE POSITION OF SAID FIRST VALVE.
Claim 2
Dependent Claim
133 words
IN A GAS-BURNING CIGARETTE LIGHTER COMPRISING A GAS RESERVOIR, A BURNER, AND A GAS OUTLET PASSAGE LEADING FROM SAID GAS RESERVOIR TO SAID BURNER, THE IMPROVEMENT WHICH COMPRISES FIRST AND SECOND PRESSURE-REDUCING VALVES IMMEDIATELY ADJACENT EACH OTHER IN SERIES IN SAID GAS OUTLET PASSAGE, A PART OF SAID FIRST VALVE FORMING A VALVE SEAT FOR SAID SECOND VALVE, SAID FIRST VALVE BEING ADJUSTABLE TO A POSITION IN WHICH THE GREATER PART OF THE GAS PRESSURE REDUCTION BETWEEN SAID RESERVOIR AND SAID BURNER TAKES PLACE THERETHROUGH SO AS TO LIMIT THE LENGTH OF THE FLAME AT THE BURNER TO A DESIRED MAXIMUM, AND MANUALLY ADJUSTABLE MEANS FOR CONTROLLING SAID SECOND VALVE AND THEREBY VARYING THE LENGTH OF THE FLAME AT THE BURNER UP TO THE MAXIMUM PERMITTED BY THE POSITION OF SAID FIRST VALVE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-12-16 | 1967-06-17 | 1967-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-16 | 1971-06-17 | 1971-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-16 | 1975-06-17 | 1975-12-17 | $7700.00 | Window Closed / Lapsed |