Serial Number
77788764
Owner
NATIONAL OILWELL VARCO, L.P.Attorney
Jonathan PierceFirst Use Date
Jul 15, 2008
Filing Date
Jul 24, 2009
DURAFORCE Trademark
Serial Number: 77788764 • Registration: 4009916
Trademark Classes
Owner Contact Info
10353 Richmond Avenue
HOUSTON, TX 77042
Entity Type: 13
Legal Representation
Trademark Details
Filing Date
July 24, 2009
Registration Date
August 9, 2011
First Use Anywhere
July 15, 2008
First Use in Commerce
July 15, 2008
Published for Opposition
October 13, 2009
Cancellation Date
March 16, 2018
Goods & Services
Drill bits for rock drilling and core drilling for oil and gas exploration