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:
Sep. 12, 1989
Filed:
Mar. 17, 1988
Applicant:
Inventors:
Itaru Okonogi, Nagano, JP;
Yukihiko Shiohara, Nagano, JP;
Mitsuru Sakurai, Nagano, JP;
Masahiro Ota, Nagano, JP;
Assignee:
Seiko Epson Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B / ; H01F / ; B05D / ;
U.S. Cl.
CPC ...
428336 ; 428421 ; 428422 ; 428692 ; 428900 ; 148101 ; 335303 ; 427127 ; 427130 ;
Abstract
A waterproof resin coated permanent magnet is provided. The resin coating is either a waterproof fluoroplastic resin material or a mixture of fluoroplastic resin material and at least one organic resin such as epoxy resin, polyester resin, acrylic resin, phenol resin and mixtures thereof. The magnet has superior corrosion and weathering resistance.