Desk telephone station with built-in freespeaking device and an additional casing for a sound transmitter and/or receiver

Description

FIG. 1 is a perspective view of a desk telephone station with built-in freespeaking device and an additional casing for a sound transmitter and receiver;

FIG. 2 is a front elevational view; and

FIG. 3 is a rear elevational view.

Referenced Cited
U.S. Patent Documents
D187592 April 1960 Lehman
D225745 January 1973 Haahein et al.
D229192 November 1973 Nakamura
D229193 November 1973 Kamakura
2653192 September 1953 Shipton
Patent History
Patent number: D244468
Type: Grant
Filed: Apr 19, 1976
Date of Patent: May 24, 1977
Assignee: Deutsche Telephonwerke und Kabelindustrie Aktiengesellschaft (Berlin)
Inventor: Karl Buchin (Berlin)
Primary Examiner: Bernard Ansher
Attorney: Herbert L. Lerner
Application Number: 5/678,210
Classifications
Current U.S. Class: D14/57
International Classification: D1403;