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Class Information
Number: 455/40.4
Name: Telecommunications >

Sub-classes under this class:

Class Number Class Name Patents
455/1 Interference signal transmission (e.g., jamming) 330
455/130 Receiver or analog modulated signal frequency converter 477
455/2.01 Audience survey or program distribution use accounting 160
455/26.1 Use or access blocking (e.g., locking switch) 118
455/3.01 Wireless distribution system 884
455/39 Transmitter and receiver at separate stations 423
455/400 Having single-channel telephone carrier 27
455/403 Radiotelephone system 1,168
455/7 Carrier wave repeater or relay system (i.e., retransmission of same information) 642
455/73 Transmitter and receiver at same station (e.g., transceiver) 1,173
455/899 Miscellaneous 58
455/91 Transmitter 611

Patents under this class:

Patent Number Title Of Patent Date Issued

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