USD190944S - Plastic sheet material - Google Patents

Plastic sheet material Download PDF

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Publication number
USD190944S
USD190944S US D190944 S USD190944 S US D190944S
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US
United States
Prior art keywords
sheet material
plastic sheet
ellefson
taken along
enlarged sectional
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John R. Ellefson
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Des. 190,944 Patented July 18, 1961 United Ste PLASTMI srrnnr MATERIAL John R. Ellefson, Kennett Square, Pa, assignor to E. I. du Pont de Nemours and Company, Wilmington, DeL, a corporation of Delaware Filed Oct. 12, 1960, Ser. No. 62,461
Term of patent 14! years (Cl. D87-3) FIGURE 1 is a plan view of a plastic sheet material References Cited in the file of this patent showing my new design.
FIGURE 2 is an enlarged sectional view taken along UNITED STATES PATENTS l 2 2 of FIGURE 1 D. 182,970 MCCOrd June 3, 1958 FIGURE 3 is an enlarged sectional view taken along 184513 Enefson 31 1959 line f FIGURE D. 185,268 Ellefson May 26, 1959 I claim; D. 187,324 Goforth Feb. 23, 1960 The ornamental design for a plastic sheet material, substantially as shown.

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