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Class Information
Number: 340/248A
Name: Communications: electrical >
Description:


Sub-classes under this class:

Class Number Class Name Patents
340/ Vehicle position indication (340/988) 0
340/ Land vehicle alarm or indicator (340/425.5) 0
340/ Condition responsive indicating system (340/500) 0
340/ Condition responsive indicating system (340/500) 0
340/ Condition responsive indicating system (340/500) 0
340/ Condition responsive indicating system (340/500) 0
340/ Condition responsive indicating system (340/500) 0
340/ Condition responsive indicating system (340/500) 0
340/ Condition responsive indicating system (340/500) 0
340/ Selective (340/825) 0
340/ Selective (340/825) 0
340/ Systems (340/286.01) 0
340/146.2 Digital comparator systems 405
340/286.01 Systems 111
340/310.11 Remote control over power line 480
340/384.1 Audible indication 219
340/407.1 Tactual indication 350
340/425.1 Repeater in unspecified type communications line or channel (e.g., relay station) 34
340/425.5 Land vehicle alarms or indicators 898
340/500 Condition responsive indicating system 291
340/815.4 Visual indication 396
340/825 Selective 186
340/850 Underwater 83
340/853.1 Wellbore telemetering or control (e.g., subsurface tool guidance, data transfer, etc.) 135
340/870.01 Continuously variable indicating (e.g., telemetering) 192
340/901 External condition vehicle-mounted indicator or alarm 425
340/906 Override of traffic control indicator by command transmitter 116
340/907 Traffic control indicator 345
340/932.2 Vehicle parking indicators 359
340/933 Vehicle detectors 619
340/944 Pedestrian guidance 76
340/945 Aircraft alarm or indicating systems 506
340/984 Watercraft alarm or indicating systems 158
340/988 Vehicle position indication 1,226
340/999 Miscellaneous 36


Patents under this class:

Patent Number Title Of Patent Date Issued



 
 
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