US D178477 S
Description (OCR text may contain errors)
United States Patent 0 Des. 178,477 Patented Aug. 7, 1956 "ice PLAYGROUND STRUCTURE Kenneth D. Williamson, Crestwood, Mo.
Application March 12, 1956, Serial No. 40,569
Term of patent 7 years (Cl. D345) FIGI.
Fig. l is a top plan view of aplayground structure embodying my new design;
Fig. 2 is a front elevation of Fig. 1;
Fig. 3 is a side elevation of Fig. f rotated 120 counterclockwise from the position shown in Fig. 2; and, Fig. 4 is a side elevation of Fig. l rotated 120 from the position shown in Fig. 3.
The ornamental design for a playground structure, substantially as shown.
References Cited in the file of this patent UNITED STATES PATENTS D. 160,419 Packer Oct. 10, 1950