Serial Number
86042041
Owner
Cornerstone Valve LLCAttorney
David M. O'BrianFirst Use Date
Nov 5, 1991
Filing Date
Aug 19, 2013
CORNERSTONE VALVE Trademark
Serial Number: 86042041 • Registration: 4639459
Trademark Classes
Owner Contact Info
Legal Representation
Trademark Details
Filing Date
August 19, 2013
Registration Date
November 18, 2014
First Use Anywhere
November 5, 1991
First Use in Commerce
November 5, 1991
Published for Opposition
September 2, 2014
Cancellation Date
June 25, 2021
Goods & Services
Metal valves not being parts of machines, namely, gate valves, ball valves, check valves, plug valves, needle valves and globe valves all as industrial grade high pressure valves