Chair spine

- American Seating Company
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Description

FIG. 1 is a perspective view of our chair spine design;

FIG. 2 is a top view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a back elevational view thereof; and,

FIG. 6 is a bottom view thereof.

Referenced Cited
U.S. Patent Documents
D162854 April 1951 Lumley
293813 February 1884 St. John
D308604 June 19, 1990 Verkerke
386142 July 1888 Lewis
1964424 June 1934 Borah
3133766 May 1964 Kramer
3297360 January 1967 Holmstrom
3512835 May 1970 Flototto
3883176 May 1975 Morton
4032190 June 28, 1977 Muller-Deisig et al.
4418958 December 6, 1983 Watkin
4603905 August 5, 1986 Stucki
4703974 November 3, 1987 Brauning
4776633 October 11, 1988 Knoblock et al.
4781417 November 1, 1988 Shipman et al.
4790595 December 13, 1988 Hensel et al.
4889385 December 26, 1989 Chadwick et al.
Foreign Patent Documents
49015 July 1934 DKX
200845 December 1985 EPX
2118216 August 1979 DEX
Patent History
Patent number: D344649
Type: Grant
Filed: Mar 17, 1992
Date of Patent: Mar 1, 1994
Assignee: American Seating Company (Grand Rapids, MI)
Inventors: Jeffrey S. Wilcox (East Grand Rapids, MI), Keith A. McDowell (Belmont, MI), Donald T. Chadwick (Los Angeles, CA), Peter F. Bemis (Sheboygan, WI)
Primary Examiner: Nelson C. Holtje
Assistant Examiner: J. E. Seeger
Law Firm: Gossett Dykema
Application Number: 7/852,473
Classifications
Current U.S. Class: D/6500