Air Purifier

1. Air purifier

1 . 1 : Perspective

1 . 2 : Front

1 . 3 : Back

1 . 4 : Left

1 . 5 : Top

1 . 6 : Bottom

1 . 7 : Enlarged

The characteristic features of the design lie in the combination of the shape and pattern; the omitted right view is a mirror image of the left view; reproduction 1 . 7 is an enlarged view of the encircled portion in reproduction 1 . 1 and the dot-dot-dash lines defining the boundary of the enlargement area form no part of the claimed design.