Seat and back unit for a chair

Seat and back unit for a chair

United States Patent D377431

US Patent References:
/D130925.html
Roth - December, 1941 - D130925

/D133848.html
Brodovitch - September, 1942 - D133848

/D147133.html
Mankki - July, 1947 - D147133

/D193508.html
Nakamura - September, 1962 - D193508

/D217863.html
Parker - June, 1970 - D217863

Inventors:

Stumpf, William E. (Minneapolis, MN)
Schoenfelder, Rodney C. (Minneapolis, MN)
Chadwick, Donald (Los Angeles, CA)
Keller, Carolyn (Holland, MI)

Application Number:

D/030013

Publication Date:

01/21/1997

Filing Date:

09/29/1994

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Assignee:

Herman Miller, Inc. (Zeeland, MI)

Primary Class:

D06/500

Other Classes:

D06/372

Field of Search:

D6/334, D6/365, D6/366, D6/369, D6/370, D6/371, D6/372, D6/373, D6/374, D6/375, D6/376, D6/500, D6/501, D6/502, 297/452.15, 297/452.63

US Patent References:

D224190		July, 1972	Strassle	D6/375
D224191		July, 1972	Strassle	D6/372
D224765		September, 1972	Manning	D6/375
D267990	Chair	February, 1983	Buhk et al.	D6/366
D268716	Chair or similar article	April, 1983	Ochsner	D6/372
D269142	Chair	May, 1983	Umanoff	D6/372
D273251	Arm chair	April, 1984	Petitt	D6/366
D274675	Chair	July, 1984	Diffrient	D6/366
D294434	Bar stool	March, 1988	Zakharov	D6/360
D296960	Chair	August, 1988	Fenske	D6/366
D301662	Swivel chair	June, 1989	Vonhausen	D6/366
D342404	Seat for a chair	December, 1993	Homann	D6/500
D349826	Seat for a chair	August, 1994	Homann	D6/500
2859801	Geometric controller for chairs	November, 1958	Moore	155/157
2963074	Driver's seat	December, 1960	Woodard	155/5
3627252	TILTING CHAIR	December, 1971	Yamaguchi	248/384
3936094	Lockable tilting chair with frictional tilt resistance	February, 1976	Conrad	297/328
3947068	Chair	March, 1976	Buhk	297/445
4036524	Chair	July, 1977	Takamatsu	297/219
4152023	Chairs and method for making same	May, 1979	Buhk	297/452
4429917	Chair	February, 1984	Diffrient	297/300

Foreign References:

WO/1993/025121

December, 1993

OFFICE CHAIR

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.

Primary Examiner:

Watson, Gary D.

Attorney, Agent or Firm:

Brinks Hofer Gilson & Lione

Claims:

1. The ornamental design for a seat and back unit for a chair, as shown anddescribed.

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.