Maintenance service system for home electric appliances
US6870480B2 · kind B2 · utility
43Cited by
5References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 22, 2002 |
| Grant date | Mar 22, 2005 |
| Priority date | — |
| Expiry date | May 6, 2022 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L2012/285
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A maintenance service system for home electric appliances is disclosed which comprises a home electric appliance, a portable terminal which can communicate with the home electric appliance and an information providing server which can communicate with the portable terminal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.