United States Patent 3123831
US Patent References:
/0336712.html
- - 0336712

Face masks for airmen
- - 2918060

Fallout protective garment
- - 3086211


Publication Date:
03/10/1964
View Patent Images:
Download PDF 3123831 pdf       PDF help
Export Citation:
Click for automatic bibliography generation
Primary Class:
2/424
Other Classes:
250/516.100, 2/9, D29/105, 128/201.230
International Classes:
A42B3/04; A42B3/10; A42B3/22; A61F9/02; A42B3/18
Foreign References:
GB841717A