USD207449S - Digger tooth unit - Google Patents

Description

United States Patent 0 mg 201,449

Patented Apr. 18, 1967 DIGGER TOOTH UNIT William W. Wilson, 6204 W. Canal Blvd., Shreveport, La. 71108 Filed July 1, 1966, Ser. No. 2,904

Term of patent 14 years (Cl. D391) FIG. 1 is a perspective view of a digger tooth unit showing my new design;

FIG. 2 is an exploded perspective View thereof;

FIG. 3 is a side elevation in a fully assembled condition;

FIG. 4 is a rear elevation as seen on line 4-4 of FIG. 3;

FIG. 5 is' a front elevation thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a top plan view of the lock pin member separately illustrated to clearly show the appearance thereof; and

FIG. 9 is a side elevation thereof.

I claim:

The ornamental design for a digger tooth unit, as shown and described.

Des. 207,449

PAGE 2 References Cited by the Examiner UNITED STATES PATENTS D. 200,722 3/1965 Wilson D39--1 1,777,222 9/1930 Pierce 37-142 2,092,311 9/ 1937 Hosmer et al.

3,082,555 3/1963 Hill 37-142 3,121,289 2/1964 Eyolfson 37-142 OTHER REFERENCES Excavating Engineer, June 1960, p. 23, Steel Digging Teeth.

WALLACE R. BU RKE, Primary Examiner. BERNARD ANSHER, Assistant Examiner.

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