IP Library › Granted Patent US 820,423
Granted Patent S1
US 820,423 · App. 29/612,566 · Granted Jun 12, 2018

Air purifier

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Quick Facts
Patent No.
US 820,423
App. No.
29/612,566
Granted
Jun 12, 2018
Kind
S1
Claims (1)

The ornamental design for an air purifier, as shown and described.

Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 13, 2025
From: HELEN OF TROY LIMITED
To: KAZ EUROPE SÀRL
Reel/Frame 070496/0834 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Aug 2, 2017
From: POINDEXTER, MICHAEL; ZASTAWNY, MATHIEU
To: HELEN OF TROY LIMITED
Reel/Frame 043168/0280 →