IP Library › Granted Patent US 643,640
Granted Patent S1
US 643,640 · App. 29/349,915 · Granted Aug 23, 2011

Office chair

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Quick Facts
Patent No.
US 643,640
App. No.
29/349,915
Granted
Aug 23, 2011
Kind
S1
Claims (1)

The ornamental design for an office chair, as shown and described.

Assignments (3)
COLLATERAL ASSIGNMENT OF PATENTS Recorded Dec 1, 2022
From: HAWORTH, INC.; AFFORDABLE INTERIOR SYSTEMS, INC.
To: PNC BANK
Reel/Frame 062078/0770 →
RELEASE OF SECURITY INTEREST Recorded May 29, 2020
From: PNC BANK, NATIONAL ASSOCIATION
To: HAWORTH, INC.; HAWORTH, LTD.
Reel/Frame 052788/0497 →
COLLATERAL ASSIGNMENT OF PATENTS Recorded Apr 4, 2014
From: HAWORTH, INC., HAWORTH, LTD. AND SUCCESSORS
To: PNC BANK, NATIONAL ASSOCIATION, AS ADMINISTRATIVE AGENT
Reel/Frame 032606/0875 →