Chair

- Steelcase Inc.
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Description

FIG. 1 is a front perspective view of a chair design;

FIG. 2 is a left side view thereof, the right side being a mirror image;

FIG. 3 is a rear view thereof;

FIG. 4 is a top view thereof; and,

FIG. 5 is a front view thereof.

The broken lines shown in FIGS. 1 and 2 are for environmental purposes only and form no part of the claimed design.

Referenced Cited
U.S. Patent Documents
D218816 September 1970 Leaver
D224188 July 1972 Leaver
D227057 June 1973 Buhk
D227831 July 1973 Andrus et al.
D227832 July 1973 Leaver
D233809 December 1974 Platner
D233812 December 1974 Platner
D236173 August 1975 Arlesheim
D240374 July 1976 Buhk
D240375 July 1976 Buhk
D241288 September 1976 Tacke
D243486 March 1, 1977 Buhk
D243487 March 1, 1977 Buhk
D253205 October 23, 1979 Buhk
D253206 October 23, 1979 Buhk
D254640 April 8, 1980 Deck et al.
D255183 June 3, 1980 Locher
D256739 September 9, 1980 Acton
D259155 May 12, 1981 Buhk
D259750 July 7, 1981 Buhk
D260205 August 18, 1981 Buhk
D264149 May 4, 1982 Buhk
D267838 February 8, 1983 Buhk et al.
D267989 February 22, 1983 Buhk et al.
D267990 February 22, 1983 Buhk et al.
D273823 May 15, 1984 Ambasz et al.
D275720 October 2, 1984 Buhk
D276576 December 4, 1984 Helmholdt
D278869 May 21, 1985 Bohl
D279332 June 25, 1985 Diffrient
D279947 August 6, 1985 Ballarini
D288872 March 24, 1987 Schultz
D291159 August 4, 1987 Monesi
D296394 June 28, 1988 Chadwick et al.
D296735 July 19, 1988 Hollington
D297986 October 11, 1988 Jenkins
D299799 February 14, 1989 Muller-Deisig et al.
D299987 February 28, 1989 Jenkins
D300483 April 4, 1989 Jenkins
D306531 March 13, 1990 Snodgrass
D309383 July 24, 1990 Muller-Deisig et al.
D311286 October 16, 1990 Muller-Deisig et al.
D312003 November 13, 1990 Muller-Deisig et al.
D312536 December 4, 1990 Muller-Deisig et al.
D318184 July 16, 1991 Muller-Deisig et al.
D322363 December 17, 1991 Narita
D326961 June 16, 1992 Hannah et al.
D336380 June 15, 1993 Roseen et al.
D340589 October 26, 1993 Chu
D345060 March 15, 1994 Duncan
D345470 March 29, 1994 Narita
D345867 April 12, 1994 Narita
D348570 July 12, 1994 Scheper et al.
D351070 October 4, 1994 Scheper et al.
D354634 January 24, 1995 Scheper et al.
D355303 February 14, 1995 Scheper et al.
D358064 May 9, 1995 Larkin
D360316 July 18, 1995 Hodge et al.
D363383 October 24, 1995 Cronk
D367980 March 19, 1996 Hodge et al.
D368380 April 2, 1996 Olson et al.
D369688 May 14, 1996 Dammermann
D370790 June 18, 1996 Dammermann
D372611 August 13, 1996 Hodge et al.
D382149 August 12, 1997 Pimental et al.
D383323 September 9, 1997 Dammermann et al.
D388258 December 30, 1997 Ambasz
D390384 February 10, 1998 Schultz et al.
D390385 February 10, 1998 Dammermann et al.
D390712 February 17, 1998 Koepke et al.
D391089 February 24, 1998 Chu
D393968 May 5, 1998 Penning et al.
D398464 September 22, 1998 Cronk
4754364 June 28, 1988 Speet et al.
4951995 August 28, 1990 Teppo et al.
5056863 October 15, 1991 DeKraker et al.
5318346 June 7, 1994 Roossien et al.
5320410 June 14, 1994 Faiks et al.
5385388 January 31, 1995 Faiks et al.
5439267 August 8, 1995 Peterson et al.
5487591 January 30, 1996 Knoblock
5540481 July 30, 1996 Roossien et al.
5577807 November 26, 1996 Hodge et al.
5630643 May 20, 1997 Scholten et al.
5662381 September 2, 1997 Roossien et al.
5725277 March 10, 1998 Knoblock
Other references
  • Exhibit A is the Relax Armrest brochure, RH form ab (Sweden corporation), date unknown, but at least as early as Apr. 23, 1997. Exhibit B is The Chair Works Inc. brochure, date unknown, but at least as early as Apr. 23, 1997. Exhibit C is the Comforto brochure, Haworth Europe, date unknown, but at least as early as Apr. 23, 1997. Exhibit D is the Lino-Sit brochure, Sitag International, date unknown, but at least as early as Apr. 23, 1997.
Patent History
Patent number: D420538
Type: Grant
Filed: Apr 24, 1998
Date of Patent: Feb 15, 2000
Assignee: Steelcase Inc. (Grand Rapids, MI)
Inventors: Robert P. Arko (Palo Alto, CA), Steven R. Takayama (Atherton, CA), Eric T. McClure (Grand Rapids, MI), Kenneth J. Penning (Grand Rapids, MI), Steven J. Dessaint (Belmont, MI)
Primary Examiner: Gary D. Watson
Law Firm: Price, Heneveld, Cooper, DeWitt & Litton
Application Number: 0/87,013
Classifications
Current U.S. Class: D/6500; D6/366
International Classification: 0606;