Explosive pressure operated switch
United States Patent 2721240
US Patent References:
/1461268.html
- - 1461268

Thermal circuit closer
- - 1620062

Fluid operated switch
- - 2164821

Detonator or blasting cap
- - 2400103


Inventors:
Filbert Jr., Howard C.
Publication Date:
10/18/1955
View Patent Images:
Assignee:
Filbert Jr., Howard C.
Primary Class:
Other Classes:
92/103M, 200/61.080, 337/401, 102/202.140
International Classes:
H01H39/00