U.S. federal trademark · Serial No. 86611105 · Reg. No. 5590596
Electric door chimes; audio speakers specifically adapted to emit a notification sound in response to pressing a doorbell button; electric audio playback units with audio speakers; consumer electronic products, namely, audio speakers and audio speaker enclosures; notification systems comprised of audio speakers and integrated circuits; notification systems comprised of digital sound processors
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.