Patent and Trademark Office June 21, 2006 – Federal Register Recent Federal Regulation Documents
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Grant of Interim Extension of the Term of U.S. Patent No. 4,826,811; PolyHeme® (Acellular Red Blood Cell Substitute)
The United States Patent and Trademark Office has issued a certificate under 35 U.S.C. 156(d)(5) for a fourth one-year interim extension of the term of U.S. Patent No. 4,826,811.