Trademark Search & Tracking

Free access to the complete USPTO trademark database with advanced search and tracking capabilities.

Trademark Search

Enter at least 3 characters to search

Show trademark images

ON OFF

Serial Number

Registration Number

Owner/Applicant

Attorney Name

Trademark Status

Live

Dead

Mark Type

Select Classes

2 Records Found

Serial Number	Trademark	Classes	Legal Status	Rights Holder	Filing Date	Actions
74133500	PURIFINER	—	602	T/F Purifiner, Inc.	01/25/1991	Details
74289935		—	710	T/F Purifiner, Inc.	06/30/1992	Details