Swivel posture chair control

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Description

FIG. 1 is a bottom perspective view of a swivel posture chair control showing my new design;

FIG. 2 is a bottom perspective view showing the side opposite that shown in FIG. 1;

FIG. 3 is a top perspective view; and

FIG. 4 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D212689 November 1968 Doerner
D213494 March 1969 Speicher et al.
D246217 November 1, 1977 Doerner
D246558 December 6, 1977 Doerner
Patent History
Patent number: D252661
Type: Grant
Filed: Sep 22, 1977
Date of Patent: Aug 21, 1979
Assignee: Doerner Products Co. Limited (Waterloo)
Inventor: Vincent G. Bowman (Baden)
Primary Examiner: Bruce W. Dunkins
Attorney: David M. Rogers
Application Number: 5/835,769
Classifications
Current U.S. Class: D/6191
International Classification: D0606;