Patent US4323955A successfully refreshed from Google Patents.
US4323955A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Light with 360° rotatable cover
Assignee: Individual
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Filing: 1980-07-21
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Granted: 1982-04-06
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Expires: 2000-07-21
Abstract
Abstract A lighting facility which includes spaced parallel end plates having a light assembly extending therebetween. A flexible cover extends between and is supported by the end plates so as to be rotatable entirely about the light assembly.
Inventors
- 👤 Edward H. Mark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:58
CPC Classifications
F; F21; F21S; F21S8/00; F21S8/04; F21S8/06; F21V; F21V11/00; F21V11/16; F21V11/18; F21V17/00; F21V17/02; F21V17/10; F21V17/104; F21V7/00; F21V7/0008; F21V7/0016; F21Y; F21Y2103/00
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
112 words
A lighting facility comprising a pair of spaced end plates having opposing side faces, a subassembly extending between said end plates from one side face to the other side face thereof, said subassembly including a light source, each end plate having a peripheral groove formed in its said side face circumscribing said subassembly at the end plate, a flexible cover extending between said end plates and including edges each fitted within a said groove, each groove constituting guide means wherein said cover can be rotated about said light source to various operative positions, said cover constituting means to control the direction of light from said light source when rotated about the source.
Claim 2
Dependent Claim
112 words
A lighting facility comprising a pair of spaced end plates having opposing side faces, a subassembly extending between said end plates from one side face to the other side face thereof, said subassembly including a light source, each end plate having a peripheral groove formed in its said side face circumscribing said subassembly at the end plate, a flexible cover extending between said end plates and including edges each fitted within a said groove, each groove constituting guide means wherein said cover can be rotated about said light source to various operative positions, said cover constituting means to control the direction of light from said light source when rotated about the source.
Claim 3
Dependent Claim
28 words
The lighting facility of claim 1 wherein said cover is of a two part construction, said parts being independently rotatable within said guide means about said light source.
Claim 4
Dependent Claim
22 words
The lighting facility of claim 1 and means connected to said end plates for supporting the end plates in a suspended orientation.
References Cited (Backward Citations)
US3388246A
Cited
US4233651A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1985-04-05 | 1985-10-05 | 1986-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-04-05 | 1989-10-05 | 1990-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-04-05 | 1993-10-05 | 1994-04-06 | $7700.00 | Window Closed / Lapsed |