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Publication numberUSD221068 S
Publication typeGrant
Publication dateJul 6, 1971
Filing dateApr 2, 1970
Publication numberUS D221068 S, US D221068S, US-S-D221068, USD221068 S, USD221068S
InventorsNobuo Yasuhara
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Telephone exchange apparatus
US D221068 S
Abstract  available in
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Claims  available in
Description  (OCR text may contain errors)

United States Patent 0 "i e "L068 Patented July 6, 1971 TELEPHONE EXCHANGE APPARATUS Nobuo Yasuhara, Kudamatsu, and Yasuyuki Tanaka and Masamitsu Seki, Yokohama, Japan, assignors to Hitachi, Ltd., Tokyo, Japan Filed Apr. 2, 1970, Ser. No. 22,207

Term of patent 14 years Int. Cl. D25-04 US. Cl. D13-1 Des. 221 068 FIG. 1 is a left side, top and front perspective view of a References Cited telephone exchange apparatus showing our new design, UNITED STATES PATENTS FIG. 2 is a front elevational view thereof, FIG. 3 is a right side view thereof, 194,453 1/1963 Guagliardo D13l FIG. 4 is a rear view thereof, 199390 10/1964 Chapman D131 FIG. 5 is a top plan view thereof. 209,576 12/1967 Wah et a1 D13-1 We claim; 2,730,208 1/1956 Valentine. The ornamental design for a telephone exchange ap- 3,236,014 2/1966 Edgarparams as Shown A. HUGO WORD, Primary Examiner