GleanMark

DURADIAMOND Trademark

DURADIAMOND is a USPTO trademark filed by GRANT PRIDECO, INC.. Status: Registered.

Trademark Facts

MarkDURADIAMOND
Serial Number75319307
Registration Number2189219
StatusRegistered
Filing Date1997-07-03
Registration Date1998-09-15
Mark TypeWord
Nice Classes007 (Machinery)
OwnerGRANT PRIDECO, INC.
Attorney of RecordGregory L. Maag
Prosecution Events31
Latest EventASGN on 2026-04-15

Goods & Services

downhole drilling tools, namely, drill bits and core bits

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