The upper part of the frame of the breathing mask

Abstract

1. Name of the product in this design: Upper part of the frame of a breathing mask. 2. Purpose of this design: The product as a whole is the frame of a breathing mask, and the part of the product is the upper part of the frame of the breathing mask. 3. The key design features of this product are the shape of the solid lines. 4. The image or photograph that best illustrates the design's key points: a 3D model. 5. Other situations requiring explanation: The dashed lines in the figure represent the content that is not claimed for protection, and the dotted lines are the dividing lines between the parts that are claimed for protection and the parts that are not claimed for protection.

Images