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:
Jan. 26, 1999
Filed:
Oct. 31, 1997
Applicant:
Inventor:
Michael Wolfe, New York, NY (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
55495 ; 55511 ; 55522 ; 55527 ; 55DI / ;
Abstract
A face mask for covering a wearer's mouth, nose or both, with a single layer non-entraining filter medium which repulses or rejects particulate matter rather than catching or entraining particulate matter.