H04N 21/64776

For requesting retransmission

Official title: {for requesting retransmission, e.g. of data packets lost or corrupted during transmission from server (ARQ protocols H04L1/18; implementation or adaptation of Internet protocol [IP], of transmission control protocol [TCP] or of user datagram protocol [UDP] H04L69/16)}

H04N21/64776 (For requesting retransmission) appears on 73 US grants and 87 published applications in this corpus.

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Granted patents
73
Published applications
87
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53
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131
Latest grant
14 Jan 2025

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H04N 21/64776: granted patents and published applications per publication year
YearGranted patentsPublished applications
200202
200301
200413
200502
200603
200712
200813
200903
201024
201122
201264
201356
201445
2015411
201644
2017147
201836
201982
202024
202155
202232
202334
202441
202511

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