US PATENT SUBCLASS 220 / 4.15
.~.~.~ Removable aircraft fuel tank
Current as of:
June, 1999
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220 /
HD
RECEPTACLES
4.01
DF
SECTIONAL
{9}
4.12
DF
.~ Tank for fluids {3}
4.14
DF
.~.~ Vehicular fuel tank {1}
4.15
.~.~.~ Removable aircraft fuel tank
DEFINITION
Classification: 220/4.15
Removable aircraft fuel tank:
(under subclass 4.14) Tank wherein the tank is the type normally fitted to an aircraft wing and quite frequently
jettisoned in flight.