Billing system with data indexing
US5325290A · kind A · utility
275Cited by
2References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 25, 1991 |
| Grant date | Jun 28, 1994 |
| Priority date | — |
| Expiry date | Oct 25, 2011 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M2215/0188
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
Systems and methods for preparing reports and for displaying information concerning transactions between service providers and service customers including preprocessing of records relating to transaction details in order to create indices enabling rapid sorting of the records.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.