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.

Date of Patent:
Jun. 07, 1994

Filed:

Apr. 29, 1991
Applicant:
Inventors:

Yasushi Enami, Yokohama, JP;

Shunji Mitani, Yokohama, JP;

Yoshihiro Sato, Yokohama, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E02B / ;
U.S. Cl.
CPC ...
405115 ; 405 91 ;
Abstract

In a collapsible rubber dam, a fastening portion of a flexible rubber sheet body is fixed on an upper spillway portion of an arch type concrete dam or on a riverbed of a river in a curved form in the longitudinal direction of the body.


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