Telephone intercommunication set

Description

FIG. 1 is a front, top, and right side perspective view of a telephone intercommunication set showing our new design;

FIG. 2 is a right side, partial top and rear perspective view thereof; and,

FIG. 3 is a bottom perspective view of the base, with a bottom perspective view of the handset spaced apart.

Referenced Cited
U.S. Patent Documents
D270155 August 16, 1983 Shimizu
D294694 March 15, 1988 Stewart
D295623 May 10, 1988 Gilberton
D299030 December 20, 1988 Menn
D309138 July 10, 1990 Ortiz de Arri
D311398 October 16, 1990 Sugano
1067079 July 1913 Thomas
3469336 September 1969 Halperin
3843166 October 1974 Barone
4233766 November 18, 1980 Doan
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Foreign Patent Documents
102127 November 1916 GBX
Patent History
Patent number: D325381
Type: Grant
Filed: Sep 19, 1990
Date of Patent: Apr 14, 1992
Assignee: Stentofon A.S. (Trondheim)
Inventors: Derek H. Dennis (Helsinge), Jakob Jensen (Mallorca)
Primary Examiner: Horace B. Fay, Jr.
Law Firm: Ladas & Parry
Application Number: 7/585,355