H04M 2215/7227
Via service number
Official title: via service number, e.g. calling card
H04M2215/7227 (Via service number) appears on 0 US grants and 1 published applications in this corpus.
Search patents in H04M- Granted patents
- 0
- Published applications
- 1
- Assignees
- 0
- Inventors
- 8
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2012 | 0 | 1 |
By publication year.
Recent patents
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Most cited
By later US patents
No patent in this class has been cited by a later US patent yet.