Patent US3617697A successfully refreshed from Google Patents.
US3617697A
Expired / Lapsed
US
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Cigarette lighter
Assignee: Fedtro Inc
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Filing: 1970-03-02
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Granted: 1971-11-02
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Expires: 1990-03-02
Abstract
Abstract A cigarette lighter is disclosed as including a base member having upright supporting posts extending therefrom for supporting a cigarette-lighting element. The unit includes other construction features providing improved heat dissipation means. Electrical power means and electrical contact means therefor are also included with a housing to cover the entire unit. The housing exposes the cigarette-lighter element and provides a means for operating the electrical contact means.
Inventors
- 👤 Robert D Kahn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 09:16
CPC Classifications
F; F23; F23Q; F23Q7/00; F23Q7/14; F23Q7/20
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
148 words
A cigarette lighter for igniting a cigarette comprising a cigarette-lighting element, a ceramic support for supporting said lighting element, electric circuit and power means and contact means for providing controlled electric power to said lighting element, a housing for said lighting element and said contact means, said housing including a base member, pillar means extending from said base member to support said lighting element, exposure means defined by said housing for exposing said lighting element, post means proximate said exposure means for separating said lighting element from said housing, said post means and said pillar means providing a heat dissipation space for said lighting element and an element-encircling ring for said lighting element, said pillar means including a plurality of spaced pillars each defining a top indentation and said element-encircling ring being attached in said indentations to structurally house and support said lighting element and its ceramic support.
Claim 2
Dependent Claim
148 words
A cigarette lighter for igniting a cigarette comprising a cigarette-lighting element, a ceramic support for supporting said lighting element, electric circuit and power means and contact means for providing controlled electric power to said lighting element, a housing for said lighting element and said contact means, said housing including a base member, pillar means extending from said base member to support said lighting element, exposure means defined by said housing for exposing said lighting element, post means proximate said exposure means for separating said lighting element from said housing, said post means and said pillar means providing a heat dissipation space for said lighting element and an element-encircling ring for said lighting element, said pillar means including a plurality of spaced pillars each defining a top indentation and said element-encircling ring being attached in said indentations to structurally house and support said lighting element and its ceramic support.
Claim 3
Dependent Claim
29 words
The invention according to claim 1 wherein said ceramic support defines bottom sockets into which said lighting element-encircling ring is peened for attachment of said ring to said pillars.
References Cited (Backward Citations)
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Cited
US1524828A
Cited
US1548406A
Cited
US1959093A
Cited
US1908310A
Cited
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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) | 1974-11-01 | 1975-05-03 | 1975-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-11-01 | 1979-05-03 | 1979-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-11-01 | 1983-05-03 | 1983-11-02 | $7700.00 | Window Closed / Lapsed |