grade identification marking
Defined in 1 dictionary — U.S. Code
United States Code
15 U.S.C. § 5402 — as used in this chapter (3 versions over time)
“grade identification marking” means any grade-mark or property class symbol appearing on a fastener purporting to indicate that the lot of fasteners conforms to a specific consensus standard, but such term does not include a manufacturer's insignia or part number;