发明名称 Face mask for use with goggles
摘要 A face mask shaped for the lower face below eye covering goggles includes a central attachment for securing to the nose piece of the goggles, and side holders for securing to the sides of the goggles, and a verturi nose covering on the mask to draw exhaled air from behind the mask permitting a fresh air flow behind the mask while moving.
申请公布号 US4250577(A) 申请公布日期 1981.02.17
申请号 US19790059227 申请日期 1979.07.20
申请人 SMITH, ROBERT P. 发明人 SMITH, ROBERT P.
分类号 A61F9/02;A62B18/02;A62B18/08;(IPC1-7):A61F9/02 主分类号 A61F9/02
代理机构 代理人
主权项
地址