Serial Number
90531910
Owner
ENTEGRIS, INC.Attorney
Cynthia Johnson WaldenFirst Use Date
Aug 14, 1995
Filing Date
Feb 17, 2021
GATEKEEPER Trademark
Serial Number: 90531910 • Registration: 6607305
Trademark Classes
Owner Contact Info
Legal Representation
Correspondence Address
CYNTHIA JOHNSON WALDEN FISH & RICHARDSON P.C.
P.O. BOX 1022
MINNEAPOLIS, MN 55440-1022
UNITED STATES
Trademark Details
Filing Date
February 17, 2021
Registration Date
January 4, 2022
First Use Anywhere
August 14, 1995
First Use in Commerce
August 14, 1995
Published for Opposition
October 19, 2021
Goods & Services
industrial gas purification units; industrial gas purification machines and parts thereof