Transparency viewer
Description
FIG. 1 is a perspective view of a transparency viewer showing my design;
FIG. 2 is a front elevation thereof;
FIG. 3 is a right side elevation thereof;
FIG. 4 is a top plan view thereof;
FIG. 5 is a rear elevation thereof;
FIG. 6 is a bottom plan view thereof;
FIG. 7 is a perspective view thereof in the closed position as shown from the front; and,
FIG. 8 is a perspective view thereof in the closed position as shown from the rear side.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
D164153 | August 1951 | Barth |
D256869 | September 16, 1980 | Arnone |
D318478 | July 23, 1991 | Wah Lo |
1142143 | June 1915 | Cauger |
2795067 | June 1957 | Walker |
4426798 | January 24, 1984 | Saunders |
4736538 | April 12, 1988 | Pierce et al. |
4756616 | July 12, 1988 | Min et al. |
0793480 | April 1958 | GBX |
2092329 | August 1982 | GBX |
Patent History
Patent number: D329448
Type: Grant
Filed: Mar 23, 1989
Date of Patent: Sep 15, 1992
Inventor: Allen K. W. Lo (Dunwoody, GA)
Primary Examiner: Bernard Ansher
Assistant Examiner: Adir Aronovich
Application Number: 7/327,588
Type: Grant
Filed: Mar 23, 1989
Date of Patent: Sep 15, 1992
Inventor: Allen K. W. Lo (Dunwoody, GA)
Primary Examiner: Bernard Ansher
Assistant Examiner: Adir Aronovich
Application Number: 7/327,588
Classifications
Current U.S. Class:
Foldable, Collapsible Or Articulated (D16/229)