USD190790S - Plastic sheet material - Google Patents
Plastic sheet material Download PDFInfo
- Publication number
- USD190790S USD190790S US D190790 S USD190790 S US D190790S
- Authority
- US
- United States
- Prior art keywords
- sheet material
- plastic sheet
- ellefson
- sectional
- united states
- Prior art date
Links
- 239000000463 material Substances 0.000 title description 4
- 239000002985 plastic film Substances 0.000 title description 4
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Description
United States Patent 0 ce Des-190,79"
Patented June 27, 1961 PLASTIC SHEET MATERIAL John R. Ellefson, Newburgh, N.Y., assignor to E. I, du Pont de Nemours and Company, Wilmington, DeL, a corporation of Delaware Filed June 27, 1960, Ser. No. 61,112
Term of patent 14 years (Cl. D87'3) F FIG. I
FIG. 5 In.
FIGURE 1 is a plan view of a plastic sheet material References Cited in the file of this patent showmg my f P- UNITED STATES PATENTS FIGURE 2 1s a sectional view taken on line 2--2 of F G 1 D. 110,641 Hess July 26, 1938 FIGURE 3 is a sectional view taken on line 3-3 of 187322 Ellefson 1960 FIGURE 1.
I claim:
The ornamental design for a plastic sheet material, substantially as shown.
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