HYDRIL
Mark Identification

HYDRIL

Serial Number

78594146

Filing Date

Mar 24, 2005

Registration Date

Nov 7, 2006

Trademark by

HYDRIL COMPANY

Classification Information

Oil field services, namely oil-well casing, tubing and drill pipe installation; repair and maintenance services for oil and gas wells, pipes, tubing and casing; installation, repair and maintenance for oil well blowout preventers and parts therefore; rental of oil-well drilling and production equipment

Building Construction and Repair

Threading services, namely, threading of oil field pipes, tubing and casing

Treatment of Materials

Design and testing for others of tubing, pipes, casing, and threads thereon, including oil and gas well tubing, pipe casing, drilling pipe, production pipe, risers, and accessories therefor

Computer and Scientific