IP Library › Granted Patent US 610,771
Granted Patent S1
US 610,771 · App. 29/336,878 · Granted Feb 23, 2010

Portion of a dump block

Assignee: Columbia Steel Casting Co., Inc.
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Quick Facts
Patent No.
US 610,771
App. No.
29/336,878
Granted
Feb 23, 2010
Kind
S1
Claims (1)

I claim the ornamental design for the portion of a dump block, as shown and described.

Assignments (3)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Dec 6, 2023
From: COLUMBIA STEEL CAST PRODUCTS LLC
To: COLUMBIA IP HOLDCO, LLC
Reel/Frame 065777/0062 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Dec 27, 2022
From: COLUMBIA STEEL CASTING CO., INC.
To: COLUMBIA STEEL CAST PRODUCTS LLC
Reel/Frame 062212/0862 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 14, 2009
From: DOAN, STEPHEN P.
To: COLUMBIA STEEL CASTING CO., INC.
Reel/Frame 022686/0694 →