Trademark Overview
On Friday, January 19, 1962, 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 72136132. The federal status of this trademark filing is EXPIRED as of Monday, October 5, 1987. This trademark is owned by KEYSTONE COACH MANUFACTURING COMPANY. The KEYSTONE trademark is filed in the Vehicles & Locomotive Products category with the following description:
MOBILE TRAILERS-NAMELY, MOBILE HOMES, MOBILE HOUSE TRAILERS, MOBILE TRAVEL TRAILERS, MOBILE HORSE TRAILERS, AND MOBILE BOAT TRAILERS