US D197986 S
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United States Patent 0 "i "es-197,986
Patented Apr. 14., 1964 DOOR KNOB Ernest L. Schlage, Burlinganle, Calif., assignor to Schlage Lock Company, a corporation Filed May 2, 1962, Ser. No. 69,933
Term of patent 14 years (Cl. D50-3) FIGURE; is a perspective view of a door knob show- References Cited in the file of this patent ing my new design;
FIGURE 2 is a side elevation of the door knob shown UNITED STATES PATENTS in FIGURE 1; D. 45,227 Glauber Feb. 10, 1914 FIGURE 3 is a front elevation of the door knob shown 219931720 Russell July 25, 1951 in FIGURE 1;
FIGURE 4 is a rear elevation of the door knob shown OTHER REFERENCES in FIGURE 1; and Russwin Heavy Duty Unit Lock, pamphlet, 1956, cover FIGURE 5 is a cross section, the plane of which is page 1, lock unit, top of page. indicated by the line 55 of FIGURE 4.
The ornamental design for a door knob, as shown.