Patent classifications
H
ELECTRICITY
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H04
ELECTRIC COMMUNICATION TECHNIQUE
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H04W
WIRELESS COMMUNICATION NETWORKS
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4/00
Services specially adapted for wireless communication networks; Facilities therefor
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H04W4/12
Messaging; Mailboxes; Announcements
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H04W4/14
Short messaging services, e.g. short message services [SMS] or unstructured supplementary service data [USSD]
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