US4281370A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Swivel base lighting fixture
Assignee: General Electric Co
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Filing: 1979-08-07
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Granted: 1981-07-28
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Expires: 1999-08-07
Abstract
Abstract A portable swivel base lighting fixture comprising a housing, a two-component base and a connecting arm which supportively attaches housing to the base. The base includes an outer or cover member which recessively surrounds an inner member. The outer and inner members are rotationally operable relative to each other to permit rotational positioning of the lamp.
Inventors
- 👤 John H. Masenheimer
- 👤 Irving Bradley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:30
CPC Classifications
F; F21; F21S; F21S8/00; F21S8/03; F21S8/033; F21V; F21V21/00; F21V21/02; F21V21/14; F21V21/30
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
98 words
A swivel-base lighting fixture comprising: a lamp, a socket, a housing for at least partially enclosing the said lamp and socket, an inner base, an outer base, a connecting arm for supportively attaching said housing to said outer base, said outer base at least partially surrounding and recessing said inner base and having a means for retaining said inner base therein, the interior of said outer base and the exterior of said inner base being cooperatively configured to permit rotational movement therebetween, wherein said inner base engages said outer base to secure the angular position of said fixture.
Claim 2
Dependent Claim
98 words
A swivel-base lighting fixture comprising: a lamp, a socket, a housing for at least partially enclosing the said lamp and socket, an inner base, an outer base, a connecting arm for supportively attaching said housing to said outer base, said outer base at least partially surrounding and recessing said inner base and having a means for retaining said inner base therein, the interior of said outer base and the exterior of said inner base being cooperatively configured to permit rotational movement therebetween, wherein said inner base engages said outer base to secure the angular position of said fixture.
Claim 3
Dependent Claim
21 words
A swivel-base portable lighting fixture in accordance with claim 1 wherein the interior of said outer base has a circular cross-section.
Claim 4
Dependent Claim
26 words
A swivel-base portable lighting fixture of claim 2 wherein said outer base circular cross-section is taken in a plane perpendicular to the axis of the fixture.
Claim 5
Dependent Claim
31 words
A swivel-base portable lighting fixture in accordance with claim 2 wherein the interior diameter of said outer base member is slightly larger than the exterior diameter of said inner base member.
Claim 6
Dependent Claim
27 words
A portable swivel-base lighting fixture in accordance with the claim 1 wherein said connecting arm includes a pivotal joint therein for the directional positioning of said lamp.
Claim 7
Dependent Claim
29 words
A portable swivel-base lighting fixture in accordance with claim 1 wherein said retaining means is a plurality of tabs interiorly articulated from a lower edge of said outer base.
Claim 8
Dependent Claim
19 words
A portable swivel-base lighting fixture in accordance with claim 1 wherein said inner base is a circular metal disk.
Claim 9
Dependent Claim
33 words
A portable swivel-base lighting fixture in accordance with claim 1 wherein said retaining means includes a groove in the interior of said cover member and a C-clip retaining means which expansively cooperates therewith.
References Cited (Backward Citations)
US4160285A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1984-07-27 | 1985-01-26 | 1985-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-07-27 | 1989-01-26 | 1989-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-07-27 | 1993-01-26 | 1993-07-28 | $7700.00 | Window Closed / Lapsed |