Title:
UNIDIRECTIONAL BREATHER MEANS FOR ELECTRICAL APPARATUS
United States Patent 3483306
US Patent References:
/0783532.html
- - 0783532
Unidirectional breather
- - 2000862
Protection of liquid-insulated apparatus
- - 1585014
Method and apparatus for preventing explosions in electrical apparatus
- - 1591163
/0783532.html
- - 0783532
Unidirectional breather
- - 2000862
Protection of liquid-insulated apparatus
- - 1585014
Method and apparatus for preventing explosions in electrical apparatus
- - 1591163
Inventors:
Harper, William E.
Publication Date:
12/09/1969
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Export Citation:
Assignee:
ALLIS CHALMERS MFG CO
Primary Class:
Other Classes:
218/99, 219/209
International Classes:
H01F27/12; H01H33/55; H01F27/10; H01H33/02; H01B9/06