USPTO trademark record

SIFAB

Live registered mark · Owner Unifrax I LLC · Classes 1

Mark details

Owner: Unifrax I LLC
Serial number: 90584362
Registration number: 6890493
Status: REGISTERED
Classes: 1 (Chemicals)
Filed: 2021-03-17
Registered: 2022-11-01
Goods / services: Silicon fibers for use in the manufacture of batteries; silicon fibers for use in the manufacture of lithium ion batteries; porous silicon fibers for use in the manufacture of batteries; anode materi…

Register data as of 2026-11-08. Records can trail live filings — check the official USPTO search for the latest status before filing.

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