Telephone headset amplifier unit

- Smith Corona Corporation
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Description

FIG. 1 is a perspective view of a telephone headset amplifier unit showing the present invention;

FIG. 2 is a left side elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a front elevational view thereof;

FIG. 6 is a rear elevational view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is the perspective view of FIG. 1 including a desktop telephone shown on top of the amplifier unit, the desktop telephone is shown in broken lines for illustrative purposes only and forms no part of the claimed design.

Referenced Cited
U.S. Patent Documents
D243091 January 18, 1977 Breger
D262120 December 1, 1981 Halm
D272077 January 3, 1984 Halm
D307587 May 1, 1990 Marcune
D335227 May 4, 1993 Lapsker et al.
D372473 August 6, 1996 Bungardt
D375486 November 12, 1996 Shinano
D391928 March 10, 1998 Kondo et al.
D391931 March 10, 1998 Iino
D393451 April 14, 1998 Faranda et al.
D394645 May 26, 1998 Inue
5099514 March 24, 1992 Acree
5678202 October 14, 1997 Filimon et al.
Patent History
Patent number: D405093
Type: Grant
Filed: Feb 9, 1998
Date of Patent: Feb 2, 1999
Assignee: Smith Corona Corporation (Cortland, NY)
Inventors: Ravi K. Sawhney (Calabasas, CA), Lance G. Hussey (Sherman Oaks, CA), Cary R. Chow (Santa Monica, CA)
Primary Examiner: Jeffrey Asch
Attorney: George R. McGuire
Application Number: 0/83,920
Classifications
Current U.S. Class: Telephone Equipment (D14/240); Telephone Amplifier (D14/243)
International Classification: 1403;