Hardhat suspension adapter for half facepiece respirators

• US D827,810 S1
• Filed: 09/15/2016
• Issued: 09/04/2018
• Est. Priority Date: 03/28/2016
• Status: Active Grant

• Current Assignee: 3M Innovative Properties Company (3M Company)
• Original Assignee: 3M Innovative Properties Company (3M Company)
• Inventors: Castiglione, David M.
• Primary Examiner(s): Gholson, Randall H
• Application Number:
  US29/577,722
• Time in Patent Office: 719 Days
• Field of Search: D241101-1104, D241106, D24127, D24162, D29105, D29107, D29108, D29110, D23332, D23335, D23355, D23356, D23366, D23388, D23412, D 7667, D14451, D14250, D14388, D14399, D14217-219, D14138 AA, D14138 AB, D14138 AC, D 3255, D 3319, D 3320, D21324, D18 6, D18 7, D18 11, D18 12, D18 122, D12209
• CPC Class Codes: N/A

Claims

1. The ornamental design for a hardhat suspension adapter for half facepiece respirators, as shown and described.