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Title:
Adjustable backrest
United States Patent D399081
Inventors:
Santopolo, James (89-43 91st St., Woodhaven, NY, 11421)
Application Number:
D/076415
Publication Date:
10/06/1998
Filing Date:
09/11/1997
Primary Class:
Field of Search:
D6/334, D6/335, D6/364, D6/365, D6/366, D6/367, D6/374, D6/379, D6/380, D6/500, D6/501, D6/502, 297/230.1, 297/230.14, 297/353, 297/440.1, 297/440.15, 297/451.1
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US Patent References:
5320408Adjustable equipment seat back supportJune, 1994Wansley297/230.14
D335984Head rest for a folding chairJune, 1993AveryD6/502
D295245Spacer guard to be mounted between the two front seat backs in an automobileApril, 1988Parsson et al.D6/502
4456298Apparatus for stepwise adjustment of separation between two chair portionsJune, 1984Gottstein297/353
D211461N/AJune, 1968WalkinshawD6/366
D137214N/AFebruary, 1944KoenigD6/366
0826575N/AJuly, 1906Hunter297/353
Primary Examiner:
Watson, Gary D.
Claims:
1. The ornamental design for an adjustable backrest, as shown and described.

Description:

FIG. 1 is a front elevational view of the adjustable backrest of the present invention;

FIG. 2 is a back elevational view of the adjustable backrest of FIG. 1;

FIG. 3 is a left side elevational view of the adjustable backrest of FIG. 1;

FIG. 4 is a right side elevational view of the adjustable backrest of FIG. 1;

FIG. 5 is a top plan view of the adjustable backrest of FIG. 1; and,

FIG. 6 is a bottom plan view of the adjustable backrest of FIG. 1.

The fragmented cross-hatching shown on the cushion member is understood to represent fabric and would be continuous throughout.

FIGS. 5 and 6 have been shown on an enlarged scale with respect to the other views.