Lumbar region of a chair back

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Description

FIG. 1 is a front perspective view of a lumbar region of a chair back embodying the present invention;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a front view thereof, the rear view being a mirror image thereof;

FIG. 4 is a right side view thereof, the left side being a mirror image thereof; and,

FIG. 5 is a top view thereof, the bottom being a mirror image thereof.

The dashed lines in FIGS. 1-5 show environmental structure and do not form a part of the design sought to be patented.

Claims

The ornamental design for a lumbar region of a chair back, as shown and described.

Referenced Cited
U.S. Patent Documents
D272204 January 17, 1984 De Boer
D277143 January 15, 1985 Helmholdt
D279155 June 11, 1985 Aronowitz et al.
D292655 November 10, 1987 Hendrick
D309384 July 24, 1990 Buhk
D309532 July 31, 1990 Dozsa-Farkas
D312176 November 20, 1990 Heidmann
D320507 October 8, 1991 Shields
D320704 October 15, 1991 Monesi
D326369 May 26, 1992 Buchacz
D328199 July 28, 1992 Citterio
D328822 August 25, 1992 Piretti
D330478 October 27, 1992 Wogoman et al.
D339927 October 5, 1993 Fahnstrom et al.
D343740 February 1, 1994 Ginat
D345259 March 22, 1994 Narita
D346279 April 26, 1994 Stumpf et al.
D349621 August 16, 1994 Wilson
D351070 October 4, 1994 Scheper et al.
D352181 November 8, 1994 Ivicevi
D358063 May 9, 1995 Larkin
D362973 October 10, 1995 Schultz
D362974 October 10, 1995 Olson et al.
D365453 December 26, 1995 Newhouse
D367982 March 19, 1996 Stirling et al.
D371683 July 16, 1996 Tolleson et al.
D380110 June 24, 1997 Tortel
D390712 February 17, 1998 Koepke et al.
D391791 March 10, 1998 Smith
D393755 April 28, 1998 Nemeth, Jr.
D395366 June 23, 1998 Favaretto
D398163 September 15, 1998 Desanta
D411928 July 13, 1999 Ritch et al.
D421540 March 14, 2000 Jenkins et al.
4451085 May 29, 1984 Franck et al.
4509793 April 9, 1985 Wiesmann et al.
4529247 July 16, 1985 Stumpf et al.
4861108 August 29, 1989 Acton et al.
4911501 March 27, 1990 Decker et al.
5385388 January 31, 1995 Faiks et al.
5501507 March 26, 1996 Hummitzsch
5577807 November 26, 1996 Hodge et al.
Patent History
Patent number: D438733
Type: Grant
Filed: Apr 9, 1999
Date of Patent: Mar 13, 2001
Assignee: Steelcase Development Inc. (Grand Rapids, MI)
Inventors: David C. Jenkins (Grand Rapids, MI), Arnold B. Dammermann (Winona, MN), Kurt R. Heidmann (Grand Rapids, MI), David S. Teppo (Grand Rapids, MI)
Primary Examiner: Gary D. Watson
Attorney, Agent or Law Firm: Price Heneveld Cooper DeWitt & Litton
Application Number: 29/103,177
Classifications
Current U.S. Class: D6/502; D6/366
International Classification: 0606;