Trademark Overview
On Wednesday, August 13, 2025, a trademark application was filed for F 310 with the United States Patent and Trademark Office. The USPTO has given the F 310 trademark a serial number of 99334594. The federal status of this trademark filing is NON-FINAL ACTION - MAILED as of Friday, January 2, 2026. This trademark is owned by Heraeus Quarzglas GmbH & Co. KG. The F 310 trademark is filed in the Houseware & Glass Products category with the following description:
Household and kitchen devices and containers; combs and sponges; brushes (except for painting purposes); brush materials; cleaning utensils; steel wool; unworked or semi-worked glass (except glass used for construction purposes); glassware, china and earthenware, to the extent they are not included in other classes; fused quartz glass, fused silica and semi-finished products manufactured therefrom, in particular pipes, bars, boards, blocks; unworked or semi-worked fused quartz glass; semi-finished products from fused quartz glass for the manufacture of optical fibers; silica fibers, not for textile purposes.
