Trademark Overview
On Thursday, August 7, 2025, a trademark application was filed for STRONGDOR with the United States Patent and Trademark Office. The USPTO has given the STRONGDOR trademark a serial number of 79441813. The federal status of this trademark filing is NEW APPLICATION - RECORD INITIALIZED NOT ASSIGNED TO EXAMINER as of Thursday, January 22, 2026. This trademark is owned by Strongdor Holdings Limited. The STRONGDOR trademark is filed in the Metal Products and Non-Metallic Building Material Products categories with the following description:
Doors of metal; fire doors of metal; glazed doors of metal; insulated doors of metal; doors of metal for noise control; safety doors of metal; security doors of metal; doors of metal for indoor use; doors of metal for external use; parts & fittings for all the aforesaid goods; components of metal for doors; locks and bolts of metal for doors; door furniture of metal; fittings of metal for doors; handles of metal for doors; hinges of metal for doors.
Doors, not of metal; fire doors, not of metal; glazed doors, not of metal; glass doors; transparent doors, not of metal; insulated doors, not of metal; doors, not of metal, for noise control; safety doors, not of metal; security doors, not of metal; doors, not of metal for indoor use; doors, not of metal for external use; parts not of metal for all the aforesaid goods.