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:
Dec. 27, 1983
Filed:
Oct. 17, 1980
Applicant:
Inventor:
Tomoyuki Haga, Tokyo, JP;
Assignee:
Shiseido Company, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A45D / ;
U.S. Cl.
CPC ...
132 764 ; 76 2 / ;
Abstract
A nail file having an excellent and uniform filing property and a method for greatly facilitating the manufacture of same are provided. This nail file has a number of file blade formed by a number of edge lines of concave portions randomly or irregularly etched in the surface of a flat metal plate. These concave portions have a diameter of 100 through 300 microns, a depth of 10 through 80 microns and a distance between the adjacent edge lines of 10 through 100 microns. The concave portions are photographically etched in the surface of a flat metal plate by using a photosensitive resin.