TOMBSTONE
Mark Identification

TOMBSTONE

Serial Number

86593231

Filing Date

Apr 10, 2015

Registration Date

Jan 24, 2017

Trademark by

BAKER HUGHES HOLDINGS LLC

Classification Information

Oil and gas well downhole equipment and service tools, namely, machines in the nature of well packers used in well isolation to allow for isolation of the flow of fluids to or from geologic well formations or to allow for interval well formation stimulation

Machinery