Treadle operated electric switch unit
US D193553 S
Description (OCR text may contain errors)
United States Patent 0 "cc Des. 193,553 Patented Sept. 11, 1962 TREADLE OPERATED ELECTRIC SWITCH UNIT Harry J. Collins, Jr., Bayside, Wis., assignor to Cutler- Hammer, Inc., Milwaukee, Wis., a corporation of Delaware Filed Mar. 17, 1961, Ser. No. 64,366
Term of patent 14 years (Cl. D2613) Des. 193,553
PAGE 3 h v [u g VERSE Des. 193,553
use a FIGURE 1 is an isometric view of a treadle operated electric switch unit incorporating my new design;
FIG. 2 is an elevational view of one side thereof;
FIG. 3 is a top view thereof;
FIG. 4 is an elevational view of one end thereof;
FIG. 5 is an elevational view of the opposite end thereof; and
FIG. 6 is an elevational view of the opposite side thereof.
The dominant features of my new design reside in the portions shown in solid black lines shown in the drawings.
The ornamental design for a treadle operated electric switch unit, substantially as shown and described.
References Cited in the file of this patent UNITED STATES PATENTS D. 123,472 Caldwell NOV. 12, 1940 2,313,166 Nicholas Mar. 9, 1943 2,482,550 Koertge et a1 Sept. 20, 1949 2,535,021 Stone et a1. Dec. 19, 1950 2,872,542, Thompson Feb. 3, 1959 OTHER REFERENCES Product Engineering, August 1, 1960, page 58, cast iron footswitch.