BLAK-JAK
Mark Identification

BLAK-JAK

Serial Number

85409472

Filing Date

Aug 29, 2011

Registration Date

Dec 3, 2013

Trademark by

NATIONAL OILWELL VARCO L.P.

Active Trademark

Classification Information

Parts and accessories for oilfield pumps and pump components, namely, fluid end assemblies, rod end assemblies; retention systems for oilfield pump components, namely, liner retention units, rod retention units, and valve retention units; oilfield hydraulic pre-loading units; oilfield hydraulic load cells

Machinery