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:
Aug. 29, 2006

Filed:

Dec. 10, 2003
Applicant:

Hirofumi Okada, Niwa-gun, JP;

Inventor:

Hirofumi Okada, Niwa-gun, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G08B 13/14 (2006.01);
U.S. Cl.
CPC ...
Abstract

A security system for notifying a driver that a mechanical key is being retained in a portable device. The portable device has an indicator that is illuminated when the mechanical key is not retained in the portable device.


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