Telephone control unit

- Mitel Corporation
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Description

FIG. 1 is a right side elevational view of a telephone control unit showing my new design;

FIG. 2 is a left side elevational view thereof;

FIG. 3 is a lower end elevational view thereof;

FIG. 4 is an upper end elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a perspective view thereof; and

FIG. 7 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D244867 June 28, 1977 Huntington et al.
D247434 March 7, 1978 Hampf
D264080 April 27, 1982 Iwata
D269088 May 24, 1983 Genero et al.
3916103 October 1975 Morrell et al.
4097690 June 27, 1978 Kuntz et al.
Patent History
Patent number: D275752
Type: Grant
Filed: Mar 9, 1982
Date of Patent: Oct 2, 1984
Assignee: Mitel Corporation (Kanata)
Inventor: John A. Mahan (Kanata)
Primary Examiner: Bernard Ansher
Attorney: Alan H. Levine
Application Number: 6/356,609
Classifications
Current U.S. Class: D14/59; D14/52; D14/95; D14/68; D13/38