|Publication number||USD234360 S|
|Publication date||Feb 18, 1975|
|Filing date||Jun 8, 1973|
|Publication number||US D234360 S, US D234360S, US-S-D234360, USD234360 S, USD234360S|
|Inventors||Ernest R. Duncan|
|Export Citation||BiBTeX, EndNote, RefMan|
|External Links: USPTO, USPTO Assignment, Espacenet|
United states Pawn: 322132 TEACHING MACHINE Ernest R. Duncan, Harmony Hill, Mount Harmony Road, Bernardsville, NJ. 07924 Filed June 8, 1973, Ser. No. 368,267
Term of patent 14 years Int. (:1. 1314-01 us. c1. D25--1 R FIG.
EAGE 2 FIG. 1 is atop plan view of a teaching machine showing my new design.
FIG. 2 is a bottom plan view thereof.
FIG. 3 is a rear elevational view thereof, shown in an inverted position.
FIG. 4 is a front elevational view thereof.
FIG. 5 is a left-side elevational view thereof, shown in an upright position.
FIG. 6 is a right-side elevational view thereof, shown in an upright position.
The ornamental design for a teaching machine, as shown and described.
References Cited UNITED STATES PATENTS D. 223,834 6/1972 Guidi D2614 B D. 230,484 2/1974 Yamagami D265 C 3,584,398 6/1971 Meyer et a1 35--6 JOEL STEARMAN, Primary Examiner C. A. RADEMAKER, Assistant Examiner