Three-way call detector unit

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Description

FIG. 1 is a perspective view of a three-way call detector unit showing my new design;

FIG. 2 is a front elevational view of the three-way call detector unit;

FIG. 3 is a rear elevational view of the three-way call detector unit;

FIG. 4 is a right-hand side elevational view of the three-way call detector unit;

FIG. 5 is a left-hand side elevational view of three-way call detector unit;

FIG. 6 is a top plan view of the three-way call detector unit; and,

FIG. 7 is a bottom view of the three-way call detector unit.

The electrical cord has been shown broken away in FIGS. 3-7 for convenience of illustration.

Referenced Cited
U.S. Patent Documents
D285554 September 9, 1986 Beaumont et al.
D295178 April 12, 1988 Pedinielli et al.
D308664 June 19, 1990 Freeman et al.
D312627 December 4, 1990 Gutzmer
D314746 February 19, 1991 Benjamin et al.
D338193 August 10, 1993 Sasaki
D339788 September 28, 1993 Leman et al.
3896384 July 1975 Henderson
4313025 January 26, 1982 Grube, Jr.
Patent History
Patent number: D346806
Type: Grant
Filed: Feb 24, 1993
Date of Patent: May 10, 1994
Assignee: Communication Equipment & Engineering Company (Plantation, FL)
Inventor: Edward U. Chong (Davie, FL)
Primary Examiner: Nelson C. Holtje
Assistant Examiner: Jeffrey Asch
Law Firm: Mason, Kolehmainen, Rathburn & Wyss
Application Number: 0/5,325