Chair control

Skip to: Description  ·  References Cited  · Patent History  ·  Patent History
Description

FIG. 1 is a top view of a chain control showing my new design.

FIG. 2 is a side view thereof.

FIG. 3 is an underneath view thereof.

FIG. 4 is a perspective view of the bottom and side thereof.

FIG. 5 is an end view thereof.

FIG. 6 is a front end view thereof.

The side of the chair control unit not shown in FIG. 2 is a mirror image of the side shown.

Referenced Cited
U.S. Patent Documents
D242758 December 21, 1976 Strang
3356414 December 1967 Doerner
3455601 July 1969 Lie
3656805 April 1972 Engstrom
3675887 July 1972 Meinhardt
3741607 June 1973 Cramer
Foreign Patent Documents
774,926 January 1968 CA
Patent History
Patent number: D247943
Type: Grant
Filed: Oct 7, 1976
Date of Patent: May 23, 1978
Inventor: Frank Doerner (Kitchener, Ontario)
Primary Examiner: Bruce W. Dunkins
Attorney: George H. Riches
Application Number: 5/730,353
Classifications
Current U.S. Class: D/6194
International Classification: D0606;