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:
Apr. 02, 2002
Filed:
Sep. 03, 1998
Applicant:
Inventor:
Karl Metzger, Lenexa, KS (US);
Assignee:
Parmalee Industries, Inc., Lenexa, KS (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A62B 1/808 ; A62B 2/302 ; A62B 7/10 ;
U.S. Cl.
CPC ...
A62B 1/808 ; A62B 2/302 ; A62B 7/10 ;
Abstract
The present invention is a protective spark cover for covering the exterior face of a filter for use with a respirator or the like. During metal welding, smelting and cutting operations and similar activities creating sparks, splatter and the like, exposed respirator filters may be perforated and made unusable. The present invention protective spark cover provides a removable cover to protect such filter elements from welding and spark damage and other similar mechanical damage. The invention is essentially a screen cover to protect the filter element and a frame to hold the screen in place over the filter.