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. 30, 1991
Filed:
Nov. 30, 1989
Applicant:
Inventors:
Yoshikuni Kunitake, Nagareyama, JP;
Yasuhiro Harita, Funabashi, JP;
Assignee:
Mitsui Engineering & Shipbuilding Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
B63B / ;
U.S. Cl.
CPC ...
114 66 ; 114126 ; 114219 ;
Abstract
An improvement is made in terms of rolling of a semi-submerged glass boat whose hull is formed of the main hull and float tanks provided on the lateral sides of the upper part of the main hull, and anti-rolling fins each projecting outside of a straight line connecting the outer end part of the bottom of the float tank and the outer end part of the bottom of the main hull are provided on the opposite sides of the main hull respectively.