US PATENT SUBCLASS 244 / 144
.~.~ Aircraft element convertible to parachute

Current as of: June, 1999
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244 /   HD   AERONAUTICS

138 R  DF  SAFETY LOWERING DEVICES {4}
142  DF  .~ Parachutes {7}
144.~.~ Aircraft element convertible to parachute

DEFINITION

Classification: 244/144

(under subclass 142) Conventional aircraft elements convertible in emergency to structure acting as parachutes.

(1) Note. For balloons acting as parachutes when deflated, search this class, subclass 32.