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.

Date of Patent:
Jun. 08, 2004

Filed:

May. 08, 2002
Applicant:
Inventor:

Pan Chen-Lieh, Ilan Hsing, TW;

Assignee:

QDS Injection Molding LLC., San Diego, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61F 9/02 ;
U.S. Cl.
CPC ...
A61F 9/02 ;
Abstract

A semi-frameless mask; its structure contains a hard glass lens, and a soft flexible skirt; Longer distance buckles are implemented at the sides of the intersection of the lens and the skirt, and the strap is implemented on the buckles. By implementing the longer distance buckles close to the hard lens on the skirt, the forces apply can be averagely spread on the mask while pulling or pushing the strap.


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