DURACLOSE
Mark Identification

DURACLOSE

Serial Number

86566108

Filing Date

Mar 17, 2015

Registration Date

Nov 5, 2019

Trademark by

NATIONAL OILWELL VARCO L.P.

Active Trademark

Classification Information

Downhole drilling tools, namely, core catchers for use with subsurface exploration of oil, gas, and geothermal wells

Machinery