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US 2021/0196992 A1Published application
Combination air filter and protective mask
OwnerShang-Fang Yuinventor
Life of this patent
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Abstract
A combination air filter and protective mask includes an air pump; a first line having a first end connected to the air pump; an air filter connected to a second end of the first line; a second line having a first end connected to the air filter; a connecter connected to a second end of the second line; a third line having a first end connected to the connector; and a full face mask connected to a second end of the third line.
Claims2
A combination air filter and protective mask comprising:
- an air pump;
- a first line having a first end connected to the air pump;
- an air filter connected to a second end of the first line;
- a second line having a first end connected to the air filter;
- a connecter connected to a second end of the second line;
- a third line having a first end connected to the connector;
- and
- a protective mask connected to a second end of the third line.
5 more elements
Dependencies are inferred from the claim text.