SURE SEAL 3
Mark Identification

SURE SEAL 3

Serial Number

86221612

Filing Date

Mar 14, 2014

Registration Date

Dec 9, 2014

Trademark by

WEATHERFORD TECHNOLOGY HOLDINGS LLC

Classification Information

Flow activated spring-loaded valve device that allows casing in a wellbore to automatically fill with fluid during running operations in the oil and gas drilling industry

Electrical and Scientific Apparatus