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:
Mar. 15, 2005
Filed:
Sep. 19, 2003
Jin-hwan Kim, Yongin, KR;
Jin-Hwan Kim, Yongin, KR;
My's Tech Co., Ltd, Seoul, KR;
Abstract
A device installed at a ditch on a road for preventing a backflow of sewage and a malodor is provided. The device includes a frame portion comprising a plurality of frames arranged in parallel with each other, a valve portion being opened or closed in a manner of a lever according to the weight of a flow of the sewage, and a cover portion for covering the frame portion and the valve portion. The cover portion includes flat drain holes formed in plural lines which are arranged in parallel with each other; flow velocity resistance embossings protruding upwardly with a predetermined height in a bar shape; inclined drain holes formed at both ends of the lengthwise direction and inclined upwardly; and a plurality of sliding prevention embossings protruding upwardly from an upper surface of the cover portion, for preventing walkers from sliding thereon.