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:
Jun. 15, 2004
Filed:
Nov. 27, 2002
Applicant:
Inventor:
Pan Chen-Lieh, Ilan Hsing, TW;
Assignee:
QDS Injection Molding LLC, San Diego, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A63B 3/108 ;
U.S. Cl.
CPC ...
A63B 3/108 ;
Abstract
A swimming fin includes a foot pack and a blade. The foot pack has a space therein for being inserted with a sole of a wearer. The blade extends from the foot pack with a flat shape. It is characterized in that a root, which is disposed at an intersection of the foot pack and the blade, is formed by way of alternate arrangement of at lest a hard coil and at least a soft coil.