Key matrix for a telephone handset

Skip to: Description  ·  References Cited  · Patent History  ·  Patent History
Description

FIG. 1 is a front, top and right side perspective view of a key matrix for a telephone handset showing my new design;

FIG. 2 is a front elevational view thereof; and

FIG. 3 is a left side view thereof; and,

FIG. 4 is a bottom plan view thereof.

The dotted lines showing the outline of a telephone handset is for illustration purposes only and forms no part of the claimed invention.

Referenced Cited
U.S. Patent Documents
D289896 May 19, 1987 Martensson et al.
D299719 February 7, 1989 Martensson et al.
D302423 July 25, 1989 Martensson et al.
D320984 October 22, 1991 Tattari
D325576 April 21, 1992 Pitkonen
D325577 April 21, 1992 Karlin
D334926 April 20, 1993 Hunt et al.
D339338 September 14, 1993 Tattari et al.
D341138 November 9, 1993 Cummings
D345734 April 5, 1994 Seymour et al.
D349112 July 26, 1994 Tattari
D352708 November 22, 1994 Rossi
D353807 December 27, 1994 White
D353809 December 27, 1994 Nuovo et al
D354284 January 10, 1995 White
D356561 March 21, 1995 Berry
D356562 March 21, 1995 Nuovo
D356563 March 21, 1995 Berry
D359283 June 13, 1995 Ruskiewicz
D361328 August 15, 1995 White
D361762 August 29, 1995 Berry
D364620 November 28, 1995 Prior et al.
D374006 September 24, 1996 Tattari
D374007 September 24, 1996 Tattari
D384950 October 14, 1997 Park
D385554 October 28, 1997 Nuovo et al.
D385876 November 4, 1997 Park
D385887 November 4, 1997 Park
D386188 November 11, 1997 Park
D390555 February 10, 1998 Finke-Anlauff
D392968 March 31, 1998 Johansson
D400203 October 27, 1998 Kolinen
D400526 November 3, 1998 Lindeman et al.
D402653 December 15, 1998 Nuovo et al.
D402664 December 15, 1998 Phillips et al.
D405445 February 9, 1999 Phillips et al.
D405783 February 16, 1999 Nuovo et al.
D406137 February 23, 1999 Kolinen
D407399 March 30, 1999 Frye et al.
D407721 April 6, 1999 Nagano et al.
D408030 April 13, 1999 Richards et al.
D408031 April 13, 1999 Tattari et al.
D408398 April 20, 1999 Arnold
D408400 April 20, 1999 Dalby et al.
D413896 September 14, 1999 Frye et al.
D415489 October 19, 1999 Ke
D416024 November 2, 1999 Johansson et al.
D421019 February 22, 2000 Curtis
D421020 February 22, 2000 Curtis
D421992 March 28, 2000 Phillips et al.
Patent History
Patent number: D428878
Type: Grant
Filed: Apr 28, 1999
Date of Patent: Aug 1, 2000
Assignee: Nokia Mobile Phones Limited (Espoo)
Inventor: Tanja Finkbeiner (Los Angeles, CA)
Primary Examiner: Jeffrey Asch
Law Firm: Perman & Green, LLP
Application Number: 0/104,133
Classifications
Current U.S. Class: Keypad (D14/247)
International Classification: 1403;