IP Library › Granted Patent US 665,892
Granted Patent S1
US 665,892 · App. 29/410,303 · Granted Aug 21, 2012

Air filter device

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Quick Facts
Patent No.
US 665,892
App. No.
29/410,303
Granted
Aug 21, 2012
Kind
S1
Claims (1)

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

Assignments (4)
CORRECTIVE ASSIGNMENT TO CORRECT THE PROPERTY NUMBERS D647874 AND D655434 PREVIOUSLY RECORDED ON REEL 040332 FRAME 0343. ASSIGNOR(S) HEREBY CONFIRMS THE CHANGE OF ADDRESS Recorded Jan 25, 2017
From: SARTORIUS LAB INSTRUMENTS GMBH & CO. KG
To: SARTORIUS LAB INSTRUMENTS GMBH & CO. KG
Reel/Frame 041151/0619 →
ADDRESS CHANGE Recorded Nov 15, 2016
From: SARTORIUS LAB INSTRUMENTS GMBH & CO. KG
To: SARTORIUS LAB INSTRUMENTS GMBH & CO. KG
Reel/Frame 040332/0343 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Sep 23, 2013
From: SARTORIUS WEIGHING TECHNOLOGY GMBH
To: SARTORIUS LAB INSTRUMENTS GMBH & CO. KG
Reel/Frame 031258/0649 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 6, 2012
From: MUELLER, ALEXANDER; MAIER, SEBASTIAN
To: SARTORIUS WEIGHING TECHNOLOGY GMBH
Reel/Frame 027492/0379 →