Combined seat and backrest unit for an office chair
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FIG. 1 is a side elevational view of a combined seat and backrest unit for an office chair embodying the design;
FIG. 2 is a front elevational view of the combined seat and backrest unit for an office chair of FIG. 1;
FIG. 3 is a rear elevational view of the combined seat and backrest unit for an office chair of FIG. 1;
FIG. 4 is a side elevational view of a modified form of a combined seat and backrest unit for an office chair embodying the design;
FIG. 5 is a front elevational view of the combined seat and backrest unit for an office chair of FIG. 4;
FIG. 6 is a rear elevational view of the combined seat and backrest unit for an office chair of FIG. 4.
The side of the combined seat and backrest unit for an office chair that is not shown is a mirror image of the side that is shown in FIG. 1.
Type: Grant
Filed: Jun 11, 1979
Date of Patent: Jun 25, 1985
Assignee: Knoll International, Inc. (New York, NY)
Inventor: Niels Diffrient (New York, NY)
Primary Examiner: Bruce W. Dunkins
Attorney: Robert Scobey
Application Number: 6/47,122