H04Q 2213/13136

Collect call

H04Q2213/13136 (Collect call) appears on 15 US grants and 7 published applications in this corpus.

Search patents in H04Q
Granted patents
15
Published applications
7
Assignees
5
Inventors
5
Latest grant
17 Jun 2025

Filings by year

H04Q 2213/13136: granted patents and published applications per publication year
YearGranted patentsPublished applications
198910
199000
199100
199200
199300
199400
199500
199600
199710
199820
199910
200040
200111
200234
200300
200400
200500
200600
200700
200800
200900
201000
201100
201200
201300
201400
201500
201600
201700
201800
201900
202000
202100
202201
202310
202401
202510

By publication year. Applications have been published since 2001.

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By later US patents