Presence systems, presence servers and presence agents
US10320974B2 · kind B2 · utility
0Cited by
2References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 21, 2015 |
| Grant date | Jun 11, 2019 |
| Priority date | — |
| Expiry date | Dec 21, 2035 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M3/42365
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
The invention namely provides a presence server (103) comprising:
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.