Combined intercom and telephone key base

Description

FIG. 1 is a front and side perspective view from above of a combined intercom and telephone key base showing my new design;

FIG. 2 is a rear perspective view from above and to one side of the intercom when removed from the telephone key base;

FIG. 3 is a front elevational view of the key base with the intercom removed;

FIG. 4 is a perspective view of the key base taken from the rear, above and to one side; and

FIG. 5 is a side elevational view of the key base, and with the opposite side view being a mirror image thereof.

Referenced Cited
U.S. Patent Documents
D185798 August 1959 Loge
D224409 July 1972 Janda
D243536 March 1, 1977 van de Poel
D247851 May 9, 1978 Muller
D248300 June 27, 1978 Hirasawa et al.
D251296 March 13, 1979 Haas
D255032 May 20, 1980 Maddock
D269780 July 19, 1983 Doodson
D274060 May 29, 1984 Bennet
D274518 July 3, 1984 Doodson
Foreign Patent Documents
2305488 August 1974 DEX
Patent History
Patent number: D278055
Type: Grant
Filed: Mar 26, 1982
Date of Patent: Mar 19, 1985
Assignee: Telefonaktiebolaget LM Ericsson (Stockholm)
Inventor: Gyeorgy Vajdaffy (Tyreso)
Primary Examiner: A. Hugo Word
Assistant Examiner: Horace B. Fay
Law Firm: Roberts, Spiecens & Cohen
Application Number: 6/362,134
Classifications
Current U.S. Class: D14/58; D14/52; D14/92