Serial Number
75504294
Owner
PTW-New York CorporationFirst Use Date
May 21, 1973
Filing Date
Jun 18, 1998
MARKUS Trademark
Serial Number: 75504294 • Registration: 2264899
Trademark Classes
Owner Contact Info
Trademark Details
Filing Date
June 18, 1998
Registration Date
July 27, 1999
First Use Anywhere
May 21, 1973
First Use in Commerce
May 21, 1973
Published for Opposition
May 4, 1999
Cancellation Date
February 28, 2010
Goods & Services
Precision 0.055 cc ionization chamber used to measure the electron output of medical radiation therapy treatment machines