Chair control unit

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Description

FIG. 1 is a top plan view of a chair control unit showing my design.

FIG. 2 is a side view thereof.

FIG. 3 is an underneath view thereof.

FIG. 4 is a back end view thereof.

FIG. 5 is an underneath perspective view thereof.

FIG. 6 is a top perspective view thereof.

Referenced Cited
U.S. Patent Documents
2008209 July 1935 Herold
3656805 April 1972 Engstrom
3675887 July 1972 Meinhardt
Foreign Patent Documents
774,926 January 1968 CA
Patent History
Patent number: D246217
Type: Grant
Filed: Feb 5, 1976
Date of Patent: Nov 1, 1977
Inventor: Frank Doerner (Kitchener, Ontario)
Primary Examiner: Bruce W. Dunkins
Attorney: Georges H. Riches
Application Number: 5/655,409
Classifications
Current U.S. Class: D/6191
International Classification: D0606;