IP Library › Granted Patent US 591,778
Granted Patent S1
US 591,778 · App. 29/284,065 · Granted May 5, 2009

Refractory block

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Quick Facts
Patent No.
US 591,778
App. No.
29/284,065
Granted
May 5, 2009
Kind
S1
Claims (1)

The ornamental design for the refractory block, as shown as described.

Assignments (7)
SECURITY AGREEMENT Recorded May 25, 2023
From: HARBISONWALKER INTERNATIONAL, INC.; HARBISONWALKER INTERNATIONAL HOLDINGS, INC.; HARBISONWALKER INTERNATIONAL MINERALS, INC.
To: JPMORGAN CHASE BANK, N.A.
Reel/Frame 063783/0851 →
BNPP PATENT SECURITY AGREEMENT Recorded May 25, 2023
From: HARBISONWALKER INTERNATIONAL, INC.; HARBISONWALKER INTERNATIONAL HOLDINGS, INC.; HARBISONWALKER INTERNATIONAL MINERALS, INC.
To: BNP PARIBAS
Reel/Frame 063784/0283 →
NOTES PATENT SECURITY AGREEMENT Recorded May 25, 2023
From: HARBISONWALKER INTERNATIONAL, INC.; HARBISONWALKER INTERNATIONAL HOLDINGS, INC.; HARBISONWALKER INTERNATIONAL MINERALS, INC.
To: THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A.
Reel/Frame 063784/0481 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 18, 2023
From: STEPHANSKY, JOHN J.; BERRY, JOHN E.
To: HARBISON-WALKER REFRACTORIES COMPANY
Reel/Frame 063682/0932 →
CHANGE OF NAME Recorded May 18, 2023
From: A.P. GREEN REFRACTORIES, INC.
To: HARBISONWALKER INTERNATIONAL, INC.
Reel/Frame 063692/0624 →
MERGER Recorded May 18, 2023
From: HARBISON-WALKER REFRACTORIES COMPANY
To: APGI, LLC
Reel/Frame 063683/0631 →
MERGER Recorded May 18, 2023
From: APGI, LLC
To: A.P. GREEN REFRACTORIES, INC.
Reel/Frame 063683/0767 →