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Publication numberUSD234360 S
Publication typeGrant
Publication dateFeb 18, 1975
Filing dateJun 8, 1973
Publication numberUS D234360 S, US D234360S, US-S-D234360, USD234360 S, USD234360S
InventorsErnest R. Duncan
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Teaching machine
US D234360 S
Abstract  available in
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Claims  available in
Description  (OCR text may contain errors)

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.


Des. 234,360

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.

I claim:

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