US3734680A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lighter
Assignee: AUTO TIME DIST Inc
•
Filing: 1972-03-06
•
Granted: 1973-05-22
•
Expires: 1992-03-06
Abstract
Abstract Cigarette lighter with an improved system for depressing a plunger to ignite a burner, comprising a thumb operated member carrying a bearing positioned adjacent a transverse surface of the plunger, the member having a path of movement carrying the bearing against and along the plunger surface while depressing the plunger.
Inventors
- 👤 S Maruyama
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:41
CPC Classifications
F; F23; F23Q; F23Q2/00; F23Q2/28; F23Q2/285; F23Q2/287; F23Q2/16
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
81 words
In a lighter having a burner which ignites upon depression of a plunger along an axis, an improved system for depressing said plunger, comprising a thumb operated member mounted on said lighter and a bearing carried by said member and having a position adjacent a surface of said plunger, said surface being transverse to said axis, means mounting said member on said lighter for movement along a path carrying said bearing against and along said plunger surface while depressing said plunger.
Claim 2
Dependent Claim
81 words
In a lighter having a burner which ignites upon depression of a plunger along an axis, an improved system for depressing said plunger, comprising a thumb operated member mounted on said lighter and a bearing carried by said member and having a position adjacent a surface of said plunger, said surface being transverse to said axis, means mounting said member on said lighter for movement along a path carrying said bearing against and along said plunger surface while depressing said plunger.
Claim 3
Dependent Claim
10 words
The lighter of claim 1 wherein said path is curved.
Claim 4
Dependent Claim
21 words
The lighter of claim 1 wherein said member is pivoted to said lighter and said path is along a circular arc.
Claim 5
Dependent Claim
16 words
The lighter of claim 3 wherein said thumb operated member provides a cover for said burner.
Claim 6
Dependent Claim
26 words
The lighter of claim 3 wherein the pivot for said member lies between the extremes of travel of said plunger surface and to one side thereof.
Claim 7
Dependent Claim
11 words
The lighter of claim 1 wherein said bearing is a roller.
Claim 8
Dependent Claim
71 words
The lighter of claim 1 further comprising a body disposed in a shell the sides of which terminate in upper edges including curved portions, and said thumb operated member has sides having lower edges including curved portions mating with said curved portions of said shell edges, said thumb operated member further having ears extending between said body and said shell, said ears carrying said bearing and being connected to said body.
Claim 9
Dependent Claim
19 words
The lighter of claim 7 wherein said ears are pivoted to said body and said bearing is a roller.
References Cited (Backward Citations)
US3603709A
Cited
US3540823A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-05-21 | 1976-11-20 | 1977-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-05-21 | 1980-11-20 | 1981-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-05-21 | 1984-11-20 | 1985-05-22 | $7700.00 | Window Closed / Lapsed |