Patent · US Expired

Method and device for controlling the time which a user spends connected to a data communication network

US7039945B2 · kind B2 · utility

2Cited by
8References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 14, 2001
Grant dateMay 2, 2006
Priority date
Expiry dateJul 20, 2023

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04L63/108
  • WIPO fieldDigital communication
  • WIPO sectorElectrical engineering

Abstract

A method for controlling the time which a user spends connected to a data communication network, comprising the steps of:

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.