Chair base

- Grahl Industries, Inc.
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Description

FIG. 1 is a perspective view of a chair base, showing our new design, the broken lines are for illustrative purposes only;

FIG. 2 is a right side elevational view of the chair base;

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

FIG. 4 is a bottom plan view of the chair base;

FIG. 5 is a left side elevational view of the chair base;

FIG. 6 is a front elevational view of the chair base; and,

FIG. 7 is a rear elevational view of the chair base.

Referenced Cited
U.S. Patent Documents
D192143 January 1962 Anderson
D193862 October 1962 Nissen et al.
D206330 November 1966 Kasparian
D261078 October 6, 1981 Wilson
D297690 September 20, 1988 Opsvik
Other references
  • Industrial design, Jan./Feb. 1982, p. 59, EST Ad, base at top right.
Patent History
Patent number: D324616
Type: Grant
Filed: Feb 2, 1989
Date of Patent: Mar 17, 1992
Assignee: Grahl Industries, Inc. (Coldwater, MI)
Inventors: Fredrich W. Grahl (Coldwater, MI), Jack Litewka (Seattle, WA)
Primary Examiner: Bruce W. Dunkins
Assistant Examiner: Janice E. Seeger
Attorneys: Irving M. Weiner, Robert M. Petrik, Joseph P. Carrier
Application Number: 7/305,497
Classifications
Current U.S. Class: D/6498