Air supply attachment for a helmet

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Description

FIG. 1 is a perspective view showing an air supply attachment for a helmet, including an air conduit, showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken lines depict portions of the air supply attachment for a helmet that form no part of the claimed design.

Claims

The ornamental design for an air supply attachment for a helmet as shown and described.

Referenced Cited
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Patent History
Patent number: D1057296
Type: Grant
Filed: Apr 1, 2022
Date of Patent: Jan 7, 2025
Assignee: 3M Innovative Properties Company (St. Paul, MN)
Inventors: Benjamin A. Johnson (Woodbury, MN), Paul A. Martinson (Maplewood, MN), Garry J. Walker (Stockton-on-Tees), David J. Schmidt (Lake Elmo, MN), David L. Ausen (Eagan, MN)
Primary Examiner: Leanne Was-Englehart
Assistant Examiner: Justin A Johnson
Application Number: 29/833,189
Classifications
Current U.S. Class: Element Or Attachment (D29/122)