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Class Information
Number: 455/57
Name: Telecommunications >
Description:


Sub-classes under this class:

Class Number Class Name Patents
455/1 Interference signal transmission (e.g., jamming) 192
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) 67
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 678
455/7 Carrier wave repeater or relay system (i.e., retransmission of same information) 193
455/73 Transmitter and receiver at same station (e.g., transceiver) 596
455/899 Miscellaneous 37
455/91 Transmitter 274


Patents under this class:

Patent Number Title Of Patent Date Issued
 
 
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