Title:
Helmet liner
United States Patent 3025525


Inventors:
Larson, Glen M.
Application Number:
US77576558A
Publication Date:
03/20/1962
Filing Date:
11/24/1958
Assignee:
MINE SAFETY APPLIANCES CO
Primary Class:
International Classes:
A42B3/14
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US Patent References:
2786204Adjustable suspension for helmets1957-03-26
2763863Head protector cradle attachment1956-09-25
2758306Helmet suspensions1956-08-14
2735099N/A1956-02-21
2715227Helmets1955-08-16
2437748Adjustable headband construction1948-03-16
2365422Suspension mounting for safety headgear1944-12-19
2342501Hat1944-02-22