Serial Number
72121549
Owner
DRILCO OIL TOOLS, INC.Attorney
SEAN C. HENKELFirst Use Date
May 21, 1961
Filing Date
Jun 7, 1961
SHOCK SUB Trademark
Serial Number: 72121549 • Registration: 0746542
Trademark Classes
Owner Contact Info
Legal Representation
Trademark Details
Filing Date
June 7, 1961
Registration Date
March 12, 1963
First Use Anywhere
May 21, 1961
First Use in Commerce
May 23, 1961
Cancellation Date
April 1, 2016
Goods & Services
Tubular Devices Interposed in Rotary Drill Strings [-] , e.g., Between Drill Bit and Drill Collar, to Cushion Impact and Reduce Vibration