US4787018A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Outdoor electric lighting fixture
Assignee: Individual
•
Filing: 1988-05-23
•
Granted: 1988-11-22
•
Expires: 2008-05-23
Abstract
Abstract A simple and economical outdoor electric lighting fixture whose housing is made of polyvinyl chloride. The fixture includes a U-shaped fluorescent lamp; a socket for the lamp; a 120 volt transformer; a flanged circular base plate supporting the socket and transformer; a polyvinyl chloride cylindrical housing having at its center an interior annular ring supporting the base plate; a polyvinyl chloride cylindrical post supporting the cylindrical housing; a cylindrical frosted lens surrounding the fluorescent lamp and resting on the flange of the base plate; and a domed end cap fitted over the upper end of the cylindrical lens.
Inventors
- 👤 David D. Poyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 09:19
CPC Classifications
F; F21; F21S; F21S8/00; F21S8/08; F21S8/081; F21W; F21W2121/00
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
115 words
A lighting fixture designed for outdoor use comprising: a U-shaped fluorescent lamp; a socket for the fluorescent lamp; a 120 volt transformer; a flanged circular base plate supporting the socket and the transformer; a cylindrical housing made of polyvinyl chloride having at its center an interior annular ring supporting the base plate; a cylindrical post whose outer diameter is slightly less than the inner diameter of the housing for supporting the housing and whose upper edge rests against the annular ring of the housing; a cylindrical frosted lens surrounding the fluorescent lamp and resting upon the flange of the base plate; and a domed end cap fitted over the upper end of the cylindrical lens.
Claim 2
Dependent Claim
115 words
A lighting fixture designed for outdoor use comprising: a U-shaped fluorescent lamp; a socket for the fluorescent lamp; a 120 volt transformer; a flanged circular base plate supporting the socket and the transformer; a cylindrical housing made of polyvinyl chloride having at its center an interior annular ring supporting the base plate; a cylindrical post whose outer diameter is slightly less than the inner diameter of the housing for supporting the housing and whose upper edge rests against the annular ring of the housing; a cylindrical frosted lens surrounding the fluorescent lamp and resting upon the flange of the base plate; and a domed end cap fitted over the upper end of the cylindrical lens.
Claim 3
Dependent Claim
23 words
A lighting fixture as set forth in claim 1 wherein both the cylindrical post and the end cap are made of polyvinyl chloride.
References Cited (Backward Citations)
DE22400C
Cited
CA692325A
Cited
US2679578A
Cited
US2764670A
Cited
US3222509A
Cited
GB995568A
Cited
US3775608A
Cited
GB1402537A
Cited
US4422010A
Cited
US4549252A
Cited
US4523263A
Cited
US4564890A
Cited
US4667278A
Cited
US4692848A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1991-11-22 | 1992-05-23 | 1992-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-11-22 | 1996-05-23 | 1996-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-11-22 | 2000-05-23 | 2000-11-22 | $7700.00 | Window Closed / Lapsed |