PRT Trademark
Serial Number: 72406357 • Registration: 0953151
PRT is a trademark filed by
MCGRAW-HILL, INC.
on October 29, 1971. The trademark is classified under Class 16 (Paper Goods).
The application is currently no longer active.
Trademark Classes
Owner Contact Info
Trademark Details
Filing Date
October 29, 1971
Registration Date
February 13, 1973
First Use Anywhere
September 30, 1971
First Use in Commerce
September 30, 1971
Filing History
EXPIRED SEC. 9
Nov 22, 1993 EXRG
EXPIRED SEC. 9
Nov 22, 1993 EXRG
REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.
Feb 5, 1979 C15A
REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.
Feb 5, 1979 C15A
