Lease model for avoiding permanent card locking
US8175235B2 · kind B2 · utility
62Cited by
4References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 27, 2007 |
| Grant date | May 8, 2012 |
| Priority date | — |
| Expiry date | Mar 8, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M2215/7009
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
Methods relating to prepaid services include determining an unlocked status of an account configured to track usage of prepaid services. The methods further include locking the account for a length of time after the determining step. The methods further include providing, for a service period, a service to a user associated with the account subsequent to the locking step, and continuously extending the locking for an additional length of time throughout the service period.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.