Patent US3564231A successfully refreshed from Google Patents.
US3564231A
Expired / Lapsed
US
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Illumination device
Assignee: Poly Optics Inc
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Filing: 1968-09-26
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Granted: 1971-02-16
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Expires: 1988-09-26
Abstract
Abstract A device for holding and illuminating the bundled end of a plurality of optical fibers wherein a hollow body is provided with: a plurality of ribs at one end for securing the bundled optical fibre ends; a light bulb at the other end; a reflective inner surface surrounding the light bulb and concentrating its rays onto the fiber bundled end; a heat reflecting and light transmitting disc between the bulb and bundled end to deflect heat but transmit the concentrated light rays; and vent openings in the body.
Inventors
- 👤 Joe P Bruce
- 👤 Robert S Rosenast
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:24
CPC Classifications
F; F21; F21V; F21V29/00; F21V29/50; F21V29/70; F21V29/74; G; G02; G02B; G02B6/00; G02B6/0001; G02B6/0005; G02B6/0006; G02B6/24; G02B6/36; G02B6/40; G02B6/42; G02B6/4298
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
81 words
An illumination device comprising: a plurality of optical fibers, each having a light receiving end and a light emitting end; a housing having an open forward end; ventilating means comprising a plurality of ribs spacing said light receiving fiber ends inwardly of said housing forward end and at least one vent opening defined by said housing spaced rearwardly from said forward end; and a light source disposed at the rear end of said housing to illuminate said light receiving fiber ends.
Claim 2
Dependent Claim
81 words
An illumination device comprising: a plurality of optical fibers, each having a light receiving end and a light emitting end; a housing having an open forward end; ventilating means comprising a plurality of ribs spacing said light receiving fiber ends inwardly of said housing forward end and at least one vent opening defined by said housing spaced rearwardly from said forward end; and a light source disposed at the rear end of said housing to illuminate said light receiving fiber ends.
Claim 3
Dependent Claim
30 words
The device of claim 1 including a metal sleeve bundling said light receiving fiber ends to secure said fibers together thereat, said ribs supporting said sleeve interiorly of said housing.
Claim 4
Dependent Claim
22 words
The device of claim 1 in which said housing comprises an anterior portion and a posterior portion narrowing to a terminal shank.
Claim 5
Dependent Claim
28 words
The device of claim 3 in which said anterior and said posterior housing portions are separable and said posterior portion is of integral one-piece construction including said shank.
Claim 6
Dependent Claim
17 words
The device of claim 1 including a light reflective surface on the inner walls of said housing.
Claim 7
Dependent Claim
18 words
The device of claim 5 wherein said reflective surface is integral with the inner walls of said housing.
Claim 8
Dependent Claim
12 words
The device of claim 5 wherein said reflective surface is elliptically shaped.
Claim 9
Dependent Claim
40 words
The device of claim 1 in which said light source is disposed within said housing and said housing defines at least one vent opening forwardly of said light source and at least one vent opening rearwardly of said light source.
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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) | 1974-02-15 | 1974-08-17 | 1975-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-15 | 1978-08-17 | 1979-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-15 | 1982-08-17 | 1983-02-16 | $7700.00 | Window Closed / Lapsed |