Light box assembly for an overhead projector
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Description
FIG. 1 is a perspective view of a light box assembly for an overhead projector showing my new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a right side elevational view thereof;
FIG. 5 is a left side elevational view thereof;
FIG. 6 is a top plan view thereof; and
FIG. 7 is a bottom plan view thereof.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
D150317 | July 1948 | Roysher |
D217103 | April 1970 | Field et al. |
D219405 | December 1970 | Nemesnyik |
D244602 | June 7, 1977 | Mango et al. |
D245165 | July 26, 1977 | Drake |
3247762 | April 1966 | Peters |
3542463 | November 1970 | Klein |
4089599 | May 16, 1978 | Kuboshima |
2060193 | April 1981 | GBX |
Patent History
Patent number: D307030
Type: Grant
Filed: Apr 10, 1987
Date of Patent: Apr 3, 1990
Assignee: Buhl Industries (Fair Lawn, NJ)
Inventor: Henry Kyhl (Englewood, NJ)
Primary Examiner: Charles A. Rademaker
Assistant Examiner: Adir Aronovich
Law Firm: Darby & Darby
Application Number: 7/36,965
Type: Grant
Filed: Apr 10, 1987
Date of Patent: Apr 3, 1990
Assignee: Buhl Industries (Fair Lawn, NJ)
Inventor: Henry Kyhl (Englewood, NJ)
Primary Examiner: Charles A. Rademaker
Assistant Examiner: Adir Aronovich
Law Firm: Darby & Darby
Application Number: 7/36,965
Classifications