Trademark Overview
On Tuesday, November 18, 2025, a trademark application was filed for KEYSTONE with the United States Patent and Trademark Office. The USPTO has given the KEYSTONE trademark a serial number of 99503772. The federal status of this trademark filing is NEW APPLICATION - RECORD INITIALIZED NOT ASSIGNED TO EXAMINER as of Tuesday, November 18, 2025. This trademark is owned by Maxx Orthopedics, Inc.. The KEYSTONE trademark is filed in the Medical Instrument Products category with the following description:
Orthopedic joint implants made of artificial materials; Surgical instruments for use in orthopedic surgery