- Haworth Mfg., Inc.

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

FIG. 2 is a rear perspective view;

FIG. 3 is a front elevational view;

FIG. 4 is a rear elevational view;

FIG. 5 is a top plan view of the chair of FIG. 3; and

FIG. 6 is a right side elevational view of the chair shown in FIG. 3, the left side elevational view being substantially identical thereto.

Referenced Cited
U.S. Patent Documents
D256740 September 9, 1980 Acton
D259000 April 28, 1981 Vogtherr
Other references
  • Design Catalog, 9-1976, p. 35, Chair upper right side of page, Hunting & Grandjean. Industrial Design, Nov./Dec. 1978, p. 42, Chair right center by Blodee. Steelcase Brochure entitled "Concentrx Plus". Steelcase brochure entitled "ConCentrx/454"-pp. 1-12.
Patent History
Patent number: D277143
Type: Grant
Filed: Sep 29, 1980
Date of Patent: Jan 15, 1985
Assignee: Haworth Mfg., Inc. (Holland, MI)
Inventor: Charles D. Helmholdt (Caledonia Township, Kent County, MI)
Primary Examiner: Bruce W. Dunkins
Law Firm: Flynn, Thiel, Boutell & Tanis
Application Number: 6/191,601
Current U.S. Class: D/6366