U.S. federal trademark · Serial No. 74456639 · Reg. No. 1937758
telephonic and telecommunications equipment, namely analog and digital switches, common and message channel units, data units, 1A through 5ESS switches, trunk cards, urban cards, repeaters, signaling and multi-frequency transmission units, processors and modems, plug-ins, namely electronic components used in a telephone central office that switch telephone calls, as well as replacement parts for each of the above
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.