IP Library › Granted Patent US 551,328
Granted Patent S1
US 551,328 · App. 29/246,495 · Granted Sep 18, 2007

Air purifier

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Quick Facts
Patent No.
US 551,328
App. No.
29/246,495
Granted
Sep 18, 2007
Kind
S1
Claims (1)

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

Assignments (5)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Nov 18, 2020
From: IDEAL LIVING HOLDINGS, LTD.
To: ENVION, LLC
Reel/Frame 054400/0778 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Nov 18, 2020
From: ENVION, LLC
To: BONECO AG
Reel/Frame 054400/0839 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 29, 2011
From: SYLMARK HOLDINGS LIMITED
To: SYLMARK HOLDINGS LIMITED
Reel/Frame 026519/0221 →
CHANGE OF NAME Recorded Jun 29, 2011
From: SYLMARK HOLDINGS LIMITED
To: IDEAL LIVING HOLDINGS LIMITED
Reel/Frame 026519/0296 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Apr 25, 2006
From: LENG, SHENGWEN; LIU, GUANGSHENG
To: SYLMARK HOLDINGS LIMITED
Reel/Frame 017902/0353 →