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Publication numberUSD225232 S
Publication typeGrant
Publication dateNov 28, 1972
Filing dateDec 7, 1970
Publication numberUS D225232 S, US D225232S, US-S-D225232, USD225232 S, USD225232S
InventorsFloyd L. Arnold
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Teaching machine
US D225232 S
Abstract  available in
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Claims  available in
Description  (OCR text may contain errors)

United States Patent Ofiice 225m Patented Nov. 28, 1972 TEACHING MACHINE Floyd L. Arnold, Marlboro, N.J., John Bruce, Wilton, Conn., and Philip A. Celli, Lincroft, and James R. Patmore, Neptune, N.J., assignors to Electronic Associates, Inc., Long Branch, NJ.

Filed Dec. 7, 1970, Ser. No. 26,343

Term of patent 14 years Int. Cl. Dl9--07 US. Cl. D25-1 FIGURE I FIGURE FIG. 1 is a front perspective view of the teaching machine showing our new design.

FIG. 2 is a rear and side perspective view of the teaching machine showing our new design.

FIG. 3 is a back view of the teaching machine showing our new design.

FIG. 4 is a side view of the teaching machine showing our new design.

We claim:

The ornamental design for a teaching machine, substantially as shown.

Des. 225,232

PAGE 2 References Cited UNITED STATES PATENTS 7/1970 Halliburton D25-1 11/ 1967 Bushnell.

OTHER REFERENCES Industrial Design, April 1971, p. 13, upper left item.

Zipees Lie-Detecto Machine, Manning Mfg. Corp. flyer, recd Nov. 8, 1961.

MELVIN B. FEIFER, Primary Examiner