US4551792A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Exterior post top mounting lighting fixture
Assignee: Acuity Brands Inc
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Filing: 1983-09-16
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Granted: 1985-11-05
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Expires: 2003-09-16
Abstract
Abstract An improved exterior post top mounted lighting fixture with a housing formed by four extruded right-angled aluminum members interlocked together, the housing providing means for aligning an electrical assembly and the components thereof in a predetermined position.
Inventors
- 👤 Merle C. Hoke
- 👤 Richard G. Armstrong
- 👤 James E. Penn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:17
CPC Classifications
F; F21; F21S; F21S8/00; F21S8/08; F21S8/085; F21S8/088; F21V; F21V15/00; F21V15/01; F21V21/00; F21V21/10; F21V21/116; F21V23/00
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
31 words
A light fixture for exterior post top mounting having a housing comprising four identical right-angled extruded aluminum members with interlocking joints for holding each other to form a solid rigid housing.
Claim 2
Dependent Claim
31 words
A light fixture for exterior post top mounting having a housing comprising four identical right-angled extruded aluminum members with interlocking joints for holding each other to form a solid rigid housing.
Claim 3
Dependent Claim
40 words
A light fixture as defined in claim 1 including an electrical assembly having a mounting plate on which electrical components are attached, and means in said housing for aligning said mounting plate and said electrical components in a predetermined position.
Claim 4
Dependent Claim
25 words
A light fixture as defined in claim 2 wherein said means for aligning said mounting plate includes protrusions formed on said right-angled extruded aluminum members.
Claim 5
Dependent Claim
36 words
A light fixture as defined in wherein said housing has a bottom plate on said housing with an access opening provided therin for removing a terminal block and disconnecting a power source from said light fixture.
Claim 6
Dependent Claim
36 words
A light fixture as defined in wherein said housing has a bottom plate on said housing with an access opening provided therin for removing a terminal block and disconnecting a power source from said light fixture.
Claim 7
Dependent Claim
25 words
A light fixture as defined in claim 4 wherein the removal of said terminal block also provides access for the removal and replacement of fuses.
Claim 8
Dependent Claim
32 words
A light fixture as defined in claim 5 wherein said lamp fixrue includes a pivotedly mounted canopy for providing necessary access for removal and replacement of a lamp in a lamp socket.
Claim 9
Dependent Claim
21 words
A light fixture as defined in claim 6 wherein said electrical assembly may be removed and replaced as a single unit.
References Cited (Backward Citations)
US3365571A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1988-11-04 | 1989-05-06 | 1989-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-11-04 | 1993-05-06 | 1993-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-11-04 | 1997-05-06 | 1997-11-05 | $7700.00 | Window Closed / Lapsed |