Patent US4716506A successfully refreshed from Google Patents.
US4716506A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Iris-producing lamp device
Assignee: Individual
•
Filing: 1986-09-15
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Granted: 1987-12-29
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Expires: 2006-09-15
Abstract
Abstract An iris-producing lamp device comprises one or more non-monochromatic light sources with its socket or sockets mounted on bracket. A paraboloid mirror may be disposed behind each lamp socket and a light source in the focus of the paraboloid mirror and the lamp shade is made of a grating-film iris-producing glass with a non-monochromatic light source in it. Thus the lamp shade can reflect not only its original color but also the other colors when the lamp is shut-off while transmitting a variety of colorful patterns and projecting them to objects around the lamp device when the lamp is on.
Inventors
- 👤 Hui C. Shang
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 14:30
CPC Classifications
F; F21; F21V; F21V9/00; F21V9/08; F21W; F21W2121/00
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
80 words
An iris-producing lamp device comprising one or more non-monochromatic light sources with its socket or their sockets on a bracket wherein a lamp shade also mounted on said bracket is made of a grating-film iris-producing glass, and wherein the grating-film iris-producing glass is made of a 2-dimensional grating-film or two 1-dimensional grating-films with one superimposed on the other crossedly and they are all clamped firmly between two sheets of transparent material or affixed on one sheet of the transparent material.
Claim 2
Dependent Claim
80 words
An iris-producing lamp device comprising one or more non-monochromatic light sources with its socket or their sockets on a bracket wherein a lamp shade also mounted on said bracket is made of a grating-film iris-producing glass, and wherein the grating-film iris-producing glass is made of a 2-dimensional grating-film or two 1-dimensional grating-films with one superimposed on the other crossedly and they are all clamped firmly between two sheets of transparent material or affixed on one sheet of the transparent material.
Claim 3
Dependent Claim
97 words
An iris-producing lamp device comprising one or more non-monochromatic light sources fixed in respective sockets which are mounted on brackets with a paraboloid mirror behind each lamp socket and a light source in the focus of the paraboloid mirror, wherein a lamp shade also mounted on said brackets is made of grating-film iris-producing glass, wherein the grating-film iris-producing glass is made of a 2-dimensional grating-film or two 1-dimensional grating-films with one superimposed on the other crossedly and they are all clamped firmly between two sheets of transparent material or affixed on one sheet of the transparent material.
Claim 4
Dependent Claim
97 words
An iris-producing lamp device comprising one or more non-monochromatic light sources fixed in respective sockets which are mounted on brackets with a paraboloid mirror behind each lamp socket and a light source in the focus of the paraboloid mirror, wherein a lamp shade also mounted on said brackets is made of grating-film iris-producing glass, wherein the grating-film iris-producing glass is made of a 2-dimensional grating-film or two 1-dimensional grating-films with one superimposed on the other crossedly and they are all clamped firmly between two sheets of transparent material or affixed on one sheet of the transparent material.
Claim 5
Dependent Claim
42 words
The iris-producing lamp device according to either one of claims 1 or 2 wherein the grating-film iris-producing glass is made of a plate of glass or transparent plastic with their surfaces forming a grating by means of replication, photography or the like.
Claim 6
Dependent Claim
27 words
The iris-producing lamp device according to either one of claims 1 or 2 wherein the density of the grooves on the grating is 50 to 400 lines/mm.
Claim 7
Dependent Claim
27 words
The iris-producing lamp device according to either one of claims 1 or 2 wherein the density of the grooves on the grating is 200 to 400 lines/mm.
Claim 8
Dependent Claim
20 words
The iris-producing lamp device according to either one of claims 1 or 2 wherein the iris-producing glass is colored glass.
Claim 9
Dependent Claim
29 words
The iris-producing lamp device according to either one of claims 1 or 2 wherein the sheets of transparent materials are fixed mechanically or affixed chemically to the transparent material.
References Cited (Backward Citations)
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US2196214A
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US2313489A
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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) | 1990-12-28 | 1991-06-29 | 1991-12-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-12-28 | 1995-06-29 | 1995-12-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-12-28 | 1999-06-29 | 1999-12-29 | $7700.00 | Window Closed / Lapsed |