USD223013S - Rear projection viewer - Google Patents

Description

United States Patent Ofiice Des. 223,013

Patented Feb. 22, 1972 REAR PROJECTION VIEWER Carl S. Shirley, Alexandria, Va., assignor to General Educational Technology Corporation, Alexandria, Va.

Continuation-impart of abandoned design application Ser. No. 21,137, Jan. 29, 1970. This application Oct. 23,

1970, Ser. No. 25,624

Term of patent 14 years Int. Cl. D1603 U.S. Cl. D61-1 FIG. 1 is a front perspective view of a rear projection References Cited viewer showing my new design; UNITED STATES PATENTS 4 FIG. 2 1s a rear perspective view thereof;

FIG. 3 is a left side elevational view thereof; and D 198240 5/1964 Wally D61 1 FIG. 4 is a front elevational view thereof. 197743 3/1964 Zwahlen D61-1 This application is a continuation-in-part of my design 179047 10/1956 Wolk D61 1 patent application D. 21,137, filed Jan. '29, 1970 and FOREIGN PATENTS mg qi 1,460,862 5/1967 France 352-404 The ornamental design for a rear projection viewer, OTHER REFERENCES as Shown an desc l ed- Industrial Design, October 1962, p. 116, film viewer,

center of picture 3 (a & b).

JOEL STEARMAN, Primary Examiner N. C. HOLTJE, Assistant Examiner

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