BIFOCAL
DEAD
Serial Number
72382730
Owner
American Optical CorporationFirst Use Date
Jan 1, 1971
Filing Date
Feb 3, 1971
BIFOCAL Trademark
Serial Number: 72382730 • Registration: 0921619
BIFOCAL is a trademark filed by
American Optical Corporation
on February 3, 1971. The trademark is classified under Class 10 (Medical Apparatus).
The application is currently no longer active.
Trademark Classes
Owner Contact Info
Trademark Details
Filing Date
February 3, 1971
Registration Date
October 5, 1971
First Use Anywhere
January 1, 1971
First Use in Commerce
January 1, 1971
Filing History
EXPIRED SEC. 9
Nov 4, 1992 EXRG
EXPIRED SEC. 9
Nov 4, 1992 EXRG
REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.
Apr 25, 1977 C15A
REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.
Apr 25, 1977 C15A