EAF Trademark

Trademark Overview

On Thursday, October 9, 2025, a trademark application was filed for EAF with the United States Patent and Trademark Office. The USPTO has given the EAF trademark a serial number of 99434613. The federal status of this trademark filing is NON-FINAL ACTION - MAILED as of Friday, February 27, 2026. This trademark is owned by HarbisonWalker International, Inc.. The EAF trademark is filed in the Non-Metallic Building Material Products category with the following description:

Magnesia-carbon refractory brick
eaf

General Information

Serial Number99434613
Word MarkEAF
Filing DateThursday, October 9, 2025
Status641 - NON-FINAL ACTION - MAILED
Status DateFriday, February 27, 2026
Registration Number0000000
Registration DateNOT AVAILABLE
Mark Drawing4 - Illustration: Drawing with word(s) / letter(s) / number(s) in Block form
Published for Opposition DateNOT AVAILABLE

Trademark Statements

Pseudo MarkELECTRIC ARC FURNACE
Goods and ServicesMagnesia-carbon refractory brick

Classification Information

International Class019 - Building materials (non-metallic); nonmetallic rigid pipes for building; asphalt, pitch and bitumen; nonmetallic transportable buildings; monuments, not of metal.
US Class Codes001, 012, 033, 050
Class Status Code6 - Active
Class Status DateThursday, October 9, 2025
Primary Code019
First Use Anywhere DateMonday, February 28, 2005
First Use In Commerce DateMonday, February 28, 2005

Trademark Owner History

Party NameHarbisonWalker International, Inc.
Party Type10 - Original Applicant
Legal Entity Type03 - Corporation
AddressPittsburgh, PA 15275
US

Trademark Events

Event DateEvent Description
Thursday, October 9, 2025NEW APPLICATION ENTERED
Thursday, October 9, 2025APPLICATION FILING RECEIPT MAILED
Wednesday, February 11, 2026NEW APPLICATION OFFICE SUPPLIED DATA ENTERED
Thursday, February 26, 2026ASSIGNED TO EXAMINER
Friday, February 27, 2026NON-FINAL ACTION WRITTEN
Friday, February 27, 2026NON-FINAL ACTION E-MAILED
Friday, February 27, 2026NOTIFICATION OF NON-FINAL ACTION E-MAILED

Related Keywords

brick refractory carbon magnesia