U.S. federal trademark · Serial No. 99530048 · Reg. No. 8447498
Vacuum tubes being microwave vacuum electron devices, namely, magnetrons, klystrons, gyrotrons, coupled cavity traveling wave tubes, and helix traveling wave tubes for use in generating alternating currents at microwave frequencies; microwave vacuum tube electron devices for radar, electronic countermeasure, medical, industrial, communications, and scientific applications, namely, magnetrons, klystrons, gyrotrons, coupled cavity traveling wave tubes, and helix traveling wave tubes for use in generating alternating currents at microwave frequencies; vacuum tubes, namely klystrons; vacuum tubes, namely gyrotrons; vacuum tubes, namely traveling wave tubes; vacuum tubes, namely helix traveling wave tubes; vacuum tubes, namely coupled cavity traveling wave tubes; RF amplifiers for traveling wave tubes; thermionic tubes being pentodes; thermionic tubes being tetrodes; triodes; vacuum tubes for TVs; amplifiers; oscillators; electron guns being parts of electron tubes; vacuum tubes used as switch tubes
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.