The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Mar. 22, 2005

Filed:

Feb. 22, 2002
Applicants:

Hideaki Suzuki, Hitachi, JP;

Chihiro Fukui, Hitachinaka, JP;

Masayuki Tani, Hitachinaka, JP;

Inventors:

Hideaki Suzuki, Hitachi, JP;

Chihiro Fukui, Hitachinaka, JP;

Masayuki Tani, Hitachinaka, JP;

Assignee:

Hitachi, Ltd., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G08B021/00 ;
U.S. Cl.
CPC ...
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.


Find Patent Forward Citations

Loading…