IP Library › Granted Patent US 598,572
Granted Patent S1
US 598,572 · App. 29/320,721 · Granted Aug 18, 2009

Refractory brick

View Patent ↗
Loading inventors, assignments & file history…
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 598,572
App. No.
29/320,721
Granted
Aug 18, 2009
Kind
S1
Claims (1)

The ornamental design for the refractory brick, as shown and described.

Assignments (6)
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 →
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 →
CHANGE OF NAME Recorded May 18, 2023
From: A.P. GREEN REFRACTORIES, INC.
To: HARBISONWALKER INTERNATIONAL, INC.
Reel/Frame 063692/0624 →