发明名称 Extension for face mask and attachable extension
摘要 The present invention is surgical face mask either integral with or applicable as an extension of a prior art surgical mask. A single flat panel of material has a width greater than the prior art surgical mask, to which securing means are attached to side edges thereby permitting control of the fit of the flat panel of material over the wearer's neck, upper chest, ears and shoulders.
申请公布号 US5694928(A) 申请公布日期 1997.12.09
申请号 US19960688186 申请日期 1996.07.29
申请人 HOFTMAN, MOSHE 发明人 HOFTMAN, MOSHE
分类号 A41D13/11;A41D13/12;(IPC1-7):A62B18/08;A62B7/10 主分类号 A41D13/11
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