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:
Apr. 14, 1992
Filed:
Nov. 01, 1990
Applicant:
Inventors:
Masatoyo Okitsu, Kasukabe, JP;
Katsuji Kitagawa, Kasukabe, JP;
Masao Kubo, Koshigaya, JP;
Toshiyuki Arisato, Iwakuni, JP;
Assignee:
Somar Corporation, , JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A63B / ;
U.S. Cl.
CPC ...
273 / ; 273 804 ; 273 808 ; 427236 ; 427239 ;
Abstract
A metal bat for use in baseball is disclosed which includes a tubular metal body having an impact portion for hitting a ball, and a layer of a resin foam provided on and bonded to the inside wall of the impact portion and having a density of 0.05-0.5 g/cm.sup.3.