H04M 2215/8175
Unsuccessful event
Official title: Unsuccessful event, e.g. service rejected due to low credit
H04M2215/8175 (Unsuccessful event) appears on 1 US grants and 1 published applications in this corpus.
Search patents in H04M- Granted patents
- 1
- Published applications
- 1
- Assignees
- 2
- Inventors
- 3
- Latest grant
- 2 Aug 2011
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| 2011 | 1 | 0 |
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