Patent Office to reissue ArcelorMittal's Usibor patent
Feb 20, 2013 | 05:23 PM
| Catherine Ngai
Tags
patent,
reissue,
U.S. Patent and Trademark Office,
dispute,
Usibor,
ArcelorMittal,
AK Steel,
Severstal Dearborn Inc.
Wheeling-Nisshin Inc.
NEW YORK — The U.S. Patent and Trademark Office will reissue ArcelorMittal SA’s Usibor patent concerning boron steel sheet with an aluminum-based coating.
The move confirms that ArcelorMittal’s U.S. patent 6,296,805 applies to cold-rolled steel for hot stamping and is not limited to hot-rolled steel. ....
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