Serial Number
85189803
Owner
NATIONAL OILWELL VARCO, L.P.Attorney
Gregory L. MaagFirst Use Date
Jan 31, 2015
Filing Date
Dec 2, 2010
SLIMHOLE EXPRESS Trademark
Serial Number: 85189803 • Registration: 4712688
Trademark Classes
Owner Contact Info
10353 Richmond Avenue
HOUSTON, TX 77042
Entity Type: 13
Legal Representation
Trademark Details
Filing Date
December 2, 2010
Registration Date
March 31, 2015
First Use Anywhere
January 31, 2015
First Use in Commerce
January 31, 2015
Published for Opposition
June 19, 2012
Cancellation Date
November 19, 2021
Goods & Services
A coring tool for drilling comprising a two piece fixed cutter drill bit and an interchangeable doughnut hole, the doughnut hole portion of the bit being interchangeable with a wireline retrievable core barrel