IP Library › Granted Patent US 673,401
Granted Patent S1
US 673,401 · App. 29/424,432 · Granted Jan 1, 2013

Chair support structure

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Quick Facts
Patent No.
US 673,401
App. No.
29/424,432
Granted
Jan 1, 2013
Kind
S1
Claims (1)

I claim the ornamental design for a chair support structure, as shown and described.

Assignments (2)
SECURITY INTEREST Recorded Nov 5, 2020
From: HUMANSCALE CORPORATION
To: CITIBANK, N.A., AS AGENT
Reel/Frame 054443/0802 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 25, 2012
From: DIFFRIENT, NIELS
To: HUMANSCALE CORPORATION
Reel/Frame 028437/0376 →