USD223565S - Tread plate - Google Patents

Tread plate Download PDF

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Publication number
USD223565S
USD223565S US D223565 S USD223565 S US D223565S
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US
United States
Prior art keywords
tread plate
view
tread
plate
design
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William H. Rees
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l 4 F D .ZZ3,565 \mted States Patent O 166 Patented KL 1972 TREAD PLATE William H. Rees, Dearborn, and Norman Solomon, Oak
Park, Mich., assignors to National Steel Corporation Filed Oct. 1, 1968, Ser. No. 13,803
Term of patent 14 years Int. Cl. DZS-Ol US Cl. D131 lilk\\ 4m; VI/III/I/Il/I/J FIG. 2
FIG. 1 is a plan 'vieW of a tread plate embodying the References Cited design of the present invention; and UNITED STATES PATENTS FIG. 2 is a cross-sectional view on line 22 on FIG. 1. 3 5 11/1932 Wheeler D13 2.1 We claim: D. 95,158 4/1935 Surerus D13-2.1
The ornamental design for a tread plate, substantially as shown. A. HUGO- WORD, Primary Examiner

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