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

4 Records Found

Serial Number	Trademark	Classes	Legal Status	Rights Holder	Filing Date	Actions
75494759	CASTLE NETWORKS	009	601	Castle Networks, Inc.	06/02/1998	Details
75559153	C2100	009	601	Castle Networks, Inc.	09/25/1998	Details
75641112	CASTLESENTRY	009	601	Castle Networks, Inc.	02/12/1999	Details
75641191	SMS	009	602	Castle Networks, Inc.	02/12/1999	Details