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:
Jul. 27, 2004
Filed:
Mar. 11, 2003
Haruo Kawashima, Tokyo, JP;
Tabata Co., Ltd., Tokyo, JP;
Abstract
A face mask has a lens frame, buckles mounted on transversely opposite extremities of the lens frame, a headband having its longitudinally opposite end portions adjustably held by the respective buckles and a pair of band guides which the headband passes through. The headband is provided on its longitudinally opposite end portions with a plurality of engagement teeth. Each of the band guides has a first guide opening and a second guide opening. The first guide opening is formed with a first guide area and a second guide areas. The first guide area is adapted to guide zones of the end portion extending along its transversely opposite side edges and the second guide area is adapted to guide the engagement teeth. The second guide opening has a height corresponding to or slightly larger than a thickness t of the end portion.