OPTRO

○ Dead · Cancelled

U.S. federal trademark · Serial No. 74330690 · Reg. No. 1978633

Mark

OPTRO

Status

Cancelled

Serial Number

74330690

Registration No.

1978633

Filing Date

November 12, 1992

Registration Date

June 4, 1996

Class(es)

Class 005

Owners

03 · Boulder, CO, US

03 · Boulder, CO, US

03 · Boulder, CO, US

recombinant human hemoglobin

Thinking of using a similar name?

Search 14 million+ trademarks free and see if your brand conflicts with "OPTRO" or anything like it, before you file.

Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.