Class 128/201.16 - Wiper

Subclass of Class 128 - Surgery
Definition: Subject matter including a wiper for keeping the viewing
No. of patents: 4
Last issue date: 09/05/2006

Number	Title	Issue Date
7100611	Face mask A face mask for use in gas delivery applications, such as breathable gas or aerosol drug systems. The face mask includes a body having a peripheral edge for placement against the face of a wearer. The peripheral edge defines a single chamber over the nose and the mo...	09/05/2006
7055521	Ventilated mask for outdoor use A ventilated mask for outdoor use is provided having a face mask to protect the wearer against insects and flying debris. The mask covers the user's nose, mouth and cheek area, and has a removable visor to provide protection for the eyes as well. The use of a snap i...	06/06/2006
7007690	Advanced chemical/biological crew mask An improved crew mask for protection of a user against chemical and biological hazards is provided. The novel crew mask includes the following features: a facepiece that includes a hybrid face seal with both intern and flat seals, and at least one transparent lens p...	03/07/2006
4215437	Helmet-mask for cold weather and/or particulate laden environments A face mask comprising a head covering, a sealing means for isolating the head covering from the atmosphere when the head covering is worn, an air outlet and inlet section connected to the head covering and wiper means provided at the head covering. The a...	08/05/1980

PatentStorm