Title:
Means for supporting apparatus on the head
United States Patent 2810385


Inventors:
Reed, Wesley B.
Application Number:
US31939552A
Publication Date:
10/22/1957
Filing Date:
11/07/1952
Assignee:
AMERICAN OPTICAL CORP
Primary Class:
Other Classes:
128/201.23, 128/206.23, 128/207.11, 379/430
International Classes:
A62B18/08
View Patent Images:
US Patent References:
2695020Protector structure for gas mask exhalation valves1954-11-23
2353643Head harness for masks1944-07-18
2039234Respiratory mask1936-04-28
1456524Helmet1923-05-29
1395759Gas-mask1921-11-01
Foreign References:
GB521282A1940-05-16