Patent US3873262A successfully refreshed from Google Patents.
US3873262A
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Windproof lighter with hot filament
Assignee: Braun GmbH
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Filing: 1974-02-19
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Granted: 1975-03-25
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Expires: 1994-02-19
Abstract
Abstract A lighter of the type having a filament energized by a battery for maintaining the flame. In order to save electric current an actuating element is provided which may be forced into the On position and which may be locked in the On position. This actuating element is released again when the cover of the lighter is closed. Operation is also feasible by releasably connecting by the actuating element the battery to the filament whereby electric current is saved except in conditions of high wind.
Inventors
- 👤 Walter Pogrell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 03:44
CPC Classifications
F; F23; F23Q; F23Q2/00; F23Q2/28; F23Q2/282
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
108 words
Windproof lighter comprising: a. a gas container in a housing; b. a burner nozzle; c. a filament disposed in the neighborhood of said burner nozzle; d. an electric circuit including a battery and an electric switch for said filament; e. means including an actuating element for moving said switch into the on position by the application of force; f. a return spring cooperating with said means for returning said actuating element into the off position; and g. said means incluDing a locking element associated with said actuating element for selectively locking said actuating element in the on position and for preventing it from returning to the off position.
Claim 2
Dependent Claim
108 words
Windproof lighter comprising: a. a gas container in a housing; b. a burner nozzle; c. a filament disposed in the neighborhood of said burner nozzle; d. an electric circuit including a battery and an electric switch for said filament; e. means including an actuating element for moving said switch into the on position by the application of force; f. a return spring cooperating with said means for returning said actuating element into the off position; and g. said means incluDing a locking element associated with said actuating element for selectively locking said actuating element in the on position and for preventing it from returning to the off position.
Claim 3
Dependent Claim
33 words
A windproof lighter as defined in claim 1, wherein said locking element includes means coupling it with a cover for said lighter whereby the locking element is unlocked during closing of said cover.
Claim 4
Dependent Claim
100 words
Windproof lighter as defined in claim 1 wherein the stroke of said actuating element extends at right angles to a wall of the housing of said lighter, and said locking element includes a pressure key associated with said actuating element which is movably disposed parallel to said wall and having on a side disposed in said housing a curve surface of such a shape that in one limit position of said pressure key, said actuating element can be returned into the off position while in the other limit position of said pressure key said switch remains in the on position.
Claim 5
Dependent Claim
43 words
Windproof lighter as defined in claim 3 wherein the curve surface of said pressure key is arranged as an inclined plane having two notched detents, said actuating element being capable of engaging one of said notched detents in each of its limit positions.
Claim 6
Dependent Claim
76 words
Windproof lighter as defined in claim 3 wherein said pressure key is connected with a pressure pin on that side of said pressure key where its curve surface has the least height, said pressure pin being actuatable by a cover on said housing, said pressure pin having such a length that when said cover is closed, said pressure key can only move into that limit position where said actuating element is returnable into the off position.
References Cited (Backward Citations)
US2482794A
Cited
US3372306A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-03-24 | 1978-09-23 | 1979-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-03-24 | 1982-09-23 | 1983-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-03-24 | 1986-09-23 | 1987-03-25 | $7700.00 | Window Closed / Lapsed |