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Class Information
Number: 455/2
Name: Telecommunications >
Description:

Sub-classes under this class:

Class Number	Class Name	Patents
455/1	Interference signal transmission (e.g., jamming)	193
455/130	Receiver or analog modulated signal frequency converter	202
455/2.01	Audience survey or program distribution use accounting	103
455/26.1	Use or access blocking (e.g., locking switch)	68
455/3.01	Wireless distribution system	368
455/39	Transmitter and receiver at separate stations	164
455/400	Having single-channel telephone carrier	19
455/403	Radiotelephone system	681
455/7	Carrier wave repeater or relay system (i.e., retransmission of same information)	195
455/73	Transmitter and receiver at same station (e.g., transceiver)	598
455/899	Miscellaneous	37
455/91	Transmitter	274