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:
Nov. 10, 2015
Filed:
Jun. 06, 2012
Applicants:
Woong Ko, Hwaseong-si, KR;
Ki-yeon Yang, Seoul, KR;
Byung-kyu Lee, Seoul, KR;
Du-hyun Lee, Suwon-si, KR;
Jae-kwan Kim, Yongin-si, KR;
Inventors:
Woong Ko, Hwaseong-si, KR;
Ki-yeon Yang, Seoul, KR;
Byung-kyu Lee, Seoul, KR;
Du-hyun Lee, Suwon-si, KR;
Jae-kwan Kim, Yongin-si, KR;
Assignee:
Samsung Electronics Co., Ltd., Gyeonggi-do, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C 33/38 (2006.01); B29C 33/42 (2006.01); B29C 43/02 (2006.01);
U.S. Cl.
CPC ...
B29C 33/424 (2013.01); B29C 43/021 (2013.01); B29C 2043/025 (2013.01);
Abstract
A stamp includes at least one protrusion on a protrusion pattern, and an end portion of the at least one protrusion may have a non-planarized surface. The end portion of the protrusion may have a concave structure, that is, the end portion includes a center region and an edge region, and the edge region is higher than the center region.