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:
Jul. 06, 1982
Filed:
May. 28, 1980
Applicant:
Inventors:
Assignee:
Mannesmann DeMag A.G., Duisburg, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A63G / ;
U.S. Cl.
CPC ...
104 70 ; 521697 ; 272 / ; 405-1 ;
Abstract
A turbulent waterway, having boats guided in a trough made from bargrating, individual plates of which are connected with each other, the side of the trough being covered with a dense synthetic plastic film.