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:
May. 07, 2019
Filed:
Nov. 22, 2017
Applicant:
Ruentex Engineering & Construction Co., Ltd., Taipei, TW;
Inventors:
Samuel Yin, Taipei, TW;
Kun-Jung Shu, Taipei, TW;
Assignee:
RUENTEX ENGINEERING & CONSTRUCTON, CO., LTD., Taipei, TW;
Primary Examiner:
Int. Cl.
CPC ...
E04F 15/08 (2006.01); E04F 15/024 (2006.01);
U.S. Cl.
CPC ...
E04F 15/02405 (2013.01); E04F 15/08 (2013.01);
Abstract
The subject invention is related to a waffle slab with a plug. The waffle slab comprises a plurality of through holes from the top surface to the bottom surface thereof along its thickness direction, and at least one of the through holes has at least one stop-profile. The plug has at least one profile complementary to the at least one stop-profile of the through holes, so that when the plug is inserted into the at least one through hole, the plug sits on the at least one stop-profile and a top surface of the plug is flush with the top surface of the waffle slab.