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.
Patent No.:
Date of Patent:
May. 16, 1989
Filed:
Nov. 13, 1986
Applicant:
Inventors:
Junichi Nishizawa, Sendai-shi, Miyagi, JP;
Yoshikatsu Tamaoki, Sendai, JP;
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E05R / ;
U.S. Cl.
CPC ...
362100 ; 362116 ; 362184 ; 362800 ; 7045 / ;
Abstract
An illuminated tool or key, in which a light source is detachably secured to a surface of the tool or key. Additionally, the emitted light can be modulated to perform an additional keying function when received by the lock. A three-color light emitter is preferable.