发明名称 |
ANTI-FOG SURGICAL FACE MASK WITH SLITE |
摘要 |
A surgical face mask comprising a filtration medium and a sheet of air impervious material, said sheet having slits which define flaps that are outwardly moveable under the influence of exhaled breath to provide paths for directing the flow of exhaled breath away from the eyes of the wearer of the mask. |
申请公布号 |
PH10923(A) |
申请公布日期 |
1977.10.05 |
申请号 |
PH19380000164 |
申请日期 |
1974.10.22 |
申请人 |
JOHNSON & JOHNSON |
发明人 |
LAUER W;ASPELIN G;CAFEREY R |
分类号 |
G02C1/00;A41D13/11;A61B19/00;A62B18/02;A62B23/00 |
主分类号 |
G02C1/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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