USD193619S - Switch knob - Google Patents

Description

United States Patent 0 "cc Des-193,619

Patented Sept. 18, 1962 SWITCH KNOB Melvin Boldt, Chicago, lll., assignor to Moifats Limited, Weston, Ontario, Canada, a company of Canada Filed May 9, 1961, Ser. No. 65,083

Claims priority, application Canada Apr. 27, 1961 Term of patent 14 years (Cl. D26-13) FIG. 3

FIG. 1 is a perspective view showing a switch knob embodying my design;

FIGURE 2 is a side elevational view of the switch knob of FIGURE 1, and

FIGURE 3 is a sectional view taken along line 33 of FIGURE 2.

I claim:

The ornamental design for a switch knob, as shown.

Des. 193,619

PAGE 2 References Cited in the file of this patent UNITED STATES PATENTS D. 29,977 Fuld Jan. 10, 1899 D. 189,534 Boldt Jan. 3, 1961 D. 191,206 Bateman et al. Aug. 29-, 1961 OTHER REFERENCES Television Retailing, June 1953, page 5, Olympic 82 channel tuner knob.

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