|Publication number||USD185661 S|
|Publication date||Jul 14, 1959|
|Filing date||Apr 9, 1958|
|Publication number||US D185661 S, US D185661S, US-S-D185661, USD185661 S, USD185661S|
|Inventors||John R. Ellefson|
|Export Citation||BiBTeX, EndNote, RefMan|
|External Links: USPTO, USPTO Assignment, Espacenet|
Patented July 14, 1959 PLASTIC SHE'ET MATERIAL John R. Ellefson, Newburgh, N.Y., assignor to E. I. du Pont de Nemours and Company, Wilmington, Del.,
a corporation of Delaware Application April 9, 1958, Serial No. 50,402
Term of patent 14 years (Cl. D87-3) FIG! PAGE 3 Des.
PAGE 4 FIG4 Des. 185,661
PAGE 6 Figures 1, 2, 3 and 4'- -are plan views of portions of the complete repeating unit of my new design. Figure I joined to Figure 2 at the broken lines on the right side of Figure 1 and the left side of Figure 2 represents the left half portion of one complete unit of the new design and a portion of the adjacent repeating unit. Figure 3 joined to Figure 4 at'the broken lines on the right side of Figure 3 and the left side of Figure 4 represents the right half portion of one complete unit of the new design and a portion of the adjaoent repeating unit. Figure 5 is a plan view of an enlargement of a portion of Figure 1. Figure 6 is a plan view of an enlargement of a portion of Figure 5. Figure 7 is a cross sectional view taken on line 77 of Figure 6.
I claim: The ornamental design for a plastic sheet material, substantially as shown and described.
References Cited in the file of this patent UNITED STATES PATENTS D. 106,371 Grabelsky July 14, 1936 D. 122,735 Christen Sept. 24, 1940 D. 179,747 Sylvester et al Feb. 19, 1957