Predictive toll-free number search
US9571667B2 · kind B2 · utility
32Cited by
12References
15Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 30, 2015 |
| Grant date | Feb 14, 2017 |
| Priority date | — |
| Expiry date | Dec 30, 2035 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M2203/555
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A method of searching for a toll-free number including identifying a previous search number history for a user; and offering a toll free number associated with the previous search number history to the user.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.