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:
Mar. 05, 1991
Filed:
May. 30, 1990
Applicant:
Inventor:
Masahiko Nakagawa, Setagaya-ku, Tokyo, JP;
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61B / ; A61B / ;
U.S. Cl.
CPC ...
128 16 ; 362 32 ;
Abstract
A tongue depressor includes a handle, a blade having one end thereof detachably fixed to the handle, and optical fibers fixed to the blade. The handle has a light source embedded therein for emitting light therefrom toward the optical fibers. The blade is made of a transparent resin. The light is transmitted through the optical fibers to illuminate the other end of the blade.
Nakagawa, Masahiko. (1991). Tongue depressor with illuminating means (U.S. Patent No. 4996976). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4996976
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile