USD190945S - Plastic sheet material - Google Patents

Plastic sheet material Download PDF

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Publication number
USD190945S
USD190945S US D190945 S USD190945 S US D190945S
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US
United States
Prior art keywords
sheet material
plastic sheet
page
design
taken along
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John R. Ellefson
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E
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United States Patent ce Des-190,945
Patented July 18, 1961 PLASTIC SHEET 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. 62,466
Term of patent 14 years .(Cl. D873) FIG. l FIG. 2
FIG. 3
FIGURE 1 is a plan view ofa plastic sheet material References Cited in the file of this patent showing y w design- UNITED STATES PATENTS HH Z Z EZ Ef F IE SR S E sgcnonal vlew taken along 10 10 Cohen June 28, 1938 FIGURE 3 is an enlarged Sectional view taken along 118925 Wlshnack 1940 line 33 of FIGURE 1. OTHER REFERENCES I claim: The ornamental design for a plastic sheet material, Substantially as shown.
Design, July 1955, page 46, Venetian blind, bottom right hand corner.
Interiors, February 1954, page 84, louver pattern wall paper, upper right hand corner.
Lingerie Merchandising, October 1955, page 63, pleated tricot trim, bottom center of page.

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