US D236988 S
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Description (OCR text may contain errors)
' Des. 236,988
Patented Sept. 30, 1975 HEADPHONE EARPIECE Warren R. Walters, St. Paul, and Michael P. Carpenter,
Minneapolis, Minn., assignors t0 Telex Communications, Inc., Minneapolis, Minn.
Filed Dec. 10, 1973, Ser. No. 423,507
Term of patent 7 years Int. Cl. D1403 US. Cl. D2614 H FIELZ F I E: 4.? fizz 5.4
FIG. 1 is a top plan view of a headphone earpiece show- References Cited our new design; UNITED STATES PATENTS FIG. 2 is a side elevational view; FIG. 3 isafront elevational view; and 196654 0/1963 Van Den Berg D2614 H FIG 4 is a rear elevational view D. 223,927 6/1972 Patton, J1. D2614 H We claim: 3,661,225 5/1972 Anderson 1s1 33 R The ornamental desi n for a head hone ear 'ece, as 3666898 5/1972 Ferrara 179182 X Show and described g p 3,798,393 3/1974 Gorike 179-182 OTH ER REFERENCES Lafayette Electronics, 1973, 1972, p. 79, Sennheiser HD414, headphone.
BERNARD ANSHER, Primary Examiner