Portable chair insert for back support

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Description

FIG. 1 is a perspective view of the front side of a portable chair insert for back support in the open position showing my new design;

FIG. 2 is a perspective view of the back side of the portable chair insert for back support of FIG. 1;

FIG. 3 is a perspective view of the front side of the portable chair insert for back support of FIG. 1 in the closed position; and

FIG. 4 is a perspective view of the back side of the portable chair insert for back support of FIG. 1 in the closed position.

Referenced Cited
U.S. Patent Documents
D230117 January 1974 Johnson
2788533 April 1957 Bornstein
3489194 January 1970 Hoover
3747977 July 1973 Rowland
Patent History
Patent number: D258187
Type: Grant
Filed: Apr 4, 1979
Date of Patent: Feb 10, 1981
Inventor: Alan Robbins (Waban, MA)
Primary Examiner: Donald B. Moyer
Attorney: Melvin R. Jenney
Application Number: 6/27,045
Classifications
Current U.S. Class: D/6201; D/6200; D 6/66
International Classification: D0609;