USPTO trademark record

LETTERBOX

Dead mark · Owner Comcast Corporation · Classes 38

Mark details

Owner: Comcast Corporation
Serial number: 75783186
Registration number: Not registered
Status: ABANDONED - EXPRESS (dead)
Classes: 38 (Telecom / streaming / broadcasting)
Filed: 1999-08-24
Registered: —
Goods / services: electronic mail services

Register data as of 2026-11-07. Records can trail live filings — check the official USPTO search for the latest status before filing.

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