Seat and back unit for a chair

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Description

FIG. 1 is a perspective view of a seat and back unit for a chair;

FIG. 2 is a right side view of a seat and back unit for a chair, the left side being a mirror image thereof;

FIG. 3 is a front view of a seat and back unit for a chair;

FIG. 4 is a rear view of a seat and back unit for a chair;

FIG. 5 is a top view of a seat and back unit for a chair; and,

FIG. 6 is a bottom view of a seat and back unit for a chair.

The broken line showing of a tubular frame in all figures is for environmental purposes only and forms no part of the claimed design.

Referenced Cited
U.S. Patent Documents
D130925 December 1941 Roth
D133848 September 1942 Brodovitch
D147133 July 1947 Mankki
D193508 September 1962 Nakamura
D217863 June 1970 Parker
D224190 July 1972 Strassle
D224191 July 1972 Strassle
D224765 September 1972 Manning
D267990 February 22, 1983 Buhk et al.
D268716 April 26, 1983 Ochsner
D269142 May 31, 1983 Umanoff
D273251 April 3, 1984 Petitt
D274675 July 17, 1984 Diffrient
D294434 March 1, 1988 Zakharov
D296960 August 2, 1988 Fenske
D301662 June 20, 1989 Vonhausen
D342404 December 21, 1993 Homann
D349826 August 23, 1994 Homann
2859801 November 1958 Moore
2963074 December 1960 Woodard
3627252 December 1971 Yamaguchi
3936094 February 3, 1976 Conrad
3947068 March 30, 1976 Buhk
4036524 July 19, 1977 Takamatsu
4152023 May 1, 1979 Buhk
4429917 February 7, 1984 Diffrient
Foreign Patent Documents
WO93/25121 December 1993 WOX
Other references
  • Interiors, Aug. 1981, p. 21, chair at bottom left. Interiors, Dec., 1978, pp. 48, Chair at top left. Industrial Design, Jun., 1983, p. 23. Blueprint, Oct., 1994.
Patent History
Patent number: D377431
Type: Grant
Filed: Sep 29, 1994
Date of Patent: Jan 21, 1997
Assignee: Herman Miller, Inc. (Zeeland, MI)
Inventors: William E. Stumpf (Minneapolis, MN), Rodney C. Schoenfelder (Minneapolis, MN), Donald Chadwick (Los Angeles, CA), Carolyn Keller (Holland, MI)
Primary Examiner: Gary D. Watson
Law Firm: Brinks Hofer Gilson & Lione
Application Number: 0/30,013
Classifications
Current U.S. Class: D/6500; D6/372