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. 07, 1981
Filed:
Dec. 19, 1979
Applicant:
Inventors:
Masazo Nakamura, Daihoji-machi, Minami-ku, Osaka-shi, Osaka-fu, JP;
Eiichi Sudo, Nishikoiwa, Edogawa-ku, Tokyo-to, JP;
Kiyoshi Urata, Shinden, Ichikawa-shi, Chiba-ken, JP;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B28B / ;
U.S. Cl.
CPC ...
249207 ; 249188 ; 2492 / ;
Abstract
A yoke for use in concrete work comprising a tubular body having a square section and provided with a longitudinal groove on the external surface of each side of the tubular body. The tubular body is filled with foamed plastics over the whole or only in both end portions of the bore thereof.