Filter mask
AssigneeOmachron Intellectual Property Inc.
InventorWayne Ernest Conrad
Life of this patent
Estimating the term…
Abstract
A filter mask for biological material has a mask body and a removable filter assembly.
Claims18
A filter mask comprising:
- (a) a mask body which, when worn by a user, abuts the face of the user and covers the mouth and nose of the user;
- (b) a filter assembly removably mounted to the mask body, the filter assembly comprising a fan and a cavity that is suitable for having a filter media housed therein;
- and,
- (c) a face plate,
- wherein an air flow passage extends between an inlet port of the filter assembly and the mask body.
The filter mask of claim 1 wherein the face plate is removably mounted between the filter assembly and the mask body. 5. The filter mask of claim 4 further comprising a mounting assembly removably mounting the filter assembly to the mask body and the mounting assembly extends through an opening in the face plate.
The filter mask of claim 5 wherein the mounting assembly comprises a first mounting member provided on the filter assembly and a second mounting member provided on the mask body and the mounting members define a portion of the air flow passage.
The filter mask of claim 5 wherein the filter assembly is rotatably mounted to the mask body.
A filter mask comprising:
- (a) a mask body which, when worn by a user, abuts the face of the user and covers the mouth and nose of the user;
- (b) a filter assembly removably mounted to the mask body, the filter assembly comprising a cavity that is suitable for having a filter media housed therein;
- and,
- (c) a face plate that plate is removably mounted between the filter assembly and the mask body.
A filter mask comprising:
- (a) a mask body which, when worn by a user, abuts the face of the user and covers the mouth and nose of the user;
- (b) a filter assembly removably mounted to the mask body, the filter assembly comprising a cavity that is suitable for having a filter media housed therein;
- and,
- (c) a face plate that plate is removably mounted to the filter mask.
The filter mask of claim 16 wherein the face plate is removably mounted between the filter assembly and the mask body. 19. The filter mask of claim 18 further comprising a mounting assembly removably mounting the filter assembly to the mask body and the mounting assembly extends through an opening in the face plate.
Dependencies are inferred from the claim text.