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Class Information
Number: 340/260
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	419
340/286.01	Systems	162
340/310.11	Remote control over power line	540
340/384.1	Audible indication	295
340/407.1	Tactual indication	513
340/425.1	Repeater in unspecified type communications line or channel (e.g., relay station)	52
340/425.5	Land vehicle alarms or indicators	1,385
340/500	Condition responsive indicating system	496
340/815.4	Visual indication	604
340/825	Selective	227
340/850	Underwater	119
340/853.1	Wellbore telemetering or control (e.g., subsurface tool guidance, data transfer, etc.)	213
340/870.01	Continuously variable indicating (e.g., telemetering)	309
340/901	External condition vehicle-mounted indicator or alarm	645
340/906	Override of traffic control indicator by command transmitter	166
340/907	Traffic control indicator	498
340/932.2	Vehicle parking indicators	581
340/933	Vehicle detectors	862
340/944	Pedestrian guidance	117
340/945	Aircraft alarm or indicating systems	867
340/984	Watercraft alarm or indicating systems	188
340/988	Vehicle position indication	1,666
340/999	Miscellaneous	50