- 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 left side elevational view of the chair shown in FIG. 3, the right 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
  • Steelcase Brochure entitled "Concentrx Plus." Steelcase Brochure entitled "ConCentrx/454"-pp. 1-12. Design Catalog, 9-1976, p. 35, Chair upper right side of page, Hunting & Grandjean Adv. Industrial Design, Nov./Dec. 1978, p. 42, Chair right center by Blodee.
Patent History
Patent number: D276576
Type: Grant
Filed: Sep 29, 1980
Date of Patent: Dec 4, 1984
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: 6/227,554
Current U.S. Class: D/6366