Serial Number
72354505
Owner
NATIONAL CHEMSEARCH CORPORATIONFirst Use Date
Apr 1, 1961
Filing Date
Mar 18, 1970
HYDROCHEM Trademark
Serial Number: 72354505 • Registration: 0920960
Trademark Classes
Owner Contact Info
Trademark Details
Filing Date
March 18, 1970
Registration Date
September 28, 1971
First Use Anywhere
April 1, 1961
First Use in Commerce
April 1, 1961
Cancellation Date
March 11, 2016