Patent
   D411504
Priority
Aug 31 1997
Filed
Aug 31 1997
Issued
Jun 29 1999
Expiry
Jun 29 2013
Assg.orig
Entity
unknown
35
9
n/a
The ornamental design for a pressure aid on the wiper blade arm, as shown and described.

FIG. 1 is a perspective view of pressure aid on the wiper blade arm showing my new design;

FIG. 2 is a front elevational view;

FIG. 3 is a rear elevational view;

FIG. 4 is a left side elevational view;

FIG. 5 is a right side elevational view;

FIG. 6 is a top plan view;

FIG. 7 is a bottom plan view; and,

FIG. 8 is a perspective view; showing my design on the wiper blade arm; the broken lines are for environmental purposes only and form no part of the claimed design.

Hsu, Wen-Chao

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