Patent US4745526A successfully refreshed from Google Patents.
US4745526A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spinning light
Assignee: American Sterilizer Co
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Filing: 1987-01-12
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Granted: 1988-05-17
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Expires: 2007-01-12
Abstract
Abstract A light for providing a larger diameter lighting pattern is comprised of a rotatable support. A motor for rotating the support at a frequency greater than the retention time of the human eye is provided. A source of light which provides a small lighting pattern is carried by the rotatable support such that upon rotation thereof a large diameter lighting pattern is created.
Inventors
- 👤 Joseph T. Sestak
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:31
CPC Classifications
F; F21; F21V; F21V14/00; F21V14/02; F21W; F21W2131/00; F21W2131/20; F21W2131/205; Y; Y10; Y10S; Y10S362/00; Y10S362/804
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
97 words
A light for providing a large diameter lighting pattern, comprising: a rotatable arm having a reflective surface; means for rotating said arm at a frequency greater than the retention time of the human eye; and first and second sources of light each providing a small lighting pattern, said sources being carried on opposite ends of said rotatable arm such that upon rotation thereof a large diameter lighting pattern is created, said sources being carried by said arm at an angle that permits light from said light sources to be reflected from said reflective surface of said arm.
Claim 2
Dependent Claim
97 words
A light for providing a large diameter lighting pattern, comprising: a rotatable arm having a reflective surface; means for rotating said arm at a frequency greater than the retention time of the human eye; and first and second sources of light each providing a small lighting pattern, said sources being carried on opposite ends of said rotatable arm such that upon rotation thereof a large diameter lighting pattern is created, said sources being carried by said arm at an angle that permits light from said light sources to be reflected from said reflective surface of said arm.
Claim 3
Dependent Claim
16 words
The light of claim 1 wherein said reflective surface of said arm includes a mirrored surface.
Claim 4
Dependent Claim
24 words
The light of claim 1 additionally comprising slip-rings carried by said rotatable support for connecting said sources of light to a source of power.
Claim 5
Dependent Claim
14 words
The light of claim 1 wherein said means for rotating includes an electric motor.
Claim 6
Dependent Claim
20 words
The light of claim 1 additionally comprising an outer casing having a substantially cylindrical shape for carrying said rotatable arm.
Claim 7
Dependent Claim
20 words
The light of claim 1 additionally comprising an outer casing having a substantially hemispherical shape for carrying said rotatable arm.
Claim 8
Dependent Claim
14 words
The light of claim 1 additionally comprising an articulated means for supporting said light.
References Cited (Backward Citations)
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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) | 1991-05-17 | 1991-11-16 | 1992-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-05-17 | 1995-11-16 | 1996-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-05-17 | 1999-11-16 | 2000-05-17 | $7700.00 | Window Closed / Lapsed |