Combined gas cylinder and control handle for a chair

Description

FIG. 1 is a side elevational view of a combined gas cylinder and control handle for a chair showing my new design.

FIG. 2 is a bottom rear perspective view thereof.

FIG. 3 is a top plan view thereof.

FIG. 4 is a top front perspective view thereof.

Referenced Cited
U.S. Patent Documents
D212689 November 1968 Doerner
D246217 November 1, 1977 Doerner
D246558 December 6, 1977 Doerner
D249768 October 3, 1978 Pinaire et al.
2222926 November 1940 Young
Patent History
Patent number: D252786
Type: Grant
Filed: Jul 18, 1977
Date of Patent: Sep 4, 1979
Inventor: Frank Doerner (Kitchener, Ontario)
Primary Examiner: James R. Largen
Attorney: George H. Riches
Application Number: 5/816,258
Classifications
Current U.S. Class: D/6191
International Classification: D0606;