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Class Information
Number: 455/250
Name: Telecommunications >
Description:


Sub-classes under this class:

Class Number Class Name Patents
455/1 Interference signal transmission (e.g., jamming) 173
455/130 Receiver or analog modulated signal frequency converter 145
455/2.01 Audience survey or program distribution use accounting 98
455/26.1 Use or access blocking (e.g., locking switch) 60
455/3.01 Wireless distribution system 284
455/39 Transmitter and receiver at separate stations 132
455/400 Having single-channel telephone carrier 17
455/403 Radiotelephone system 586
455/7 Carrier wave repeater or relay system (i.e., retransmission of same information) 167
455/73 Transmitter and receiver at same station (e.g., transceiver) 503
455/899 Miscellaneous 33
455/91 Transmitter 235


Patents under this class:

Patent Number Title Of Patent Date Issued



 
 
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