US PATENT SUBCLASS 244 / 150
.~.~.~ Timing mechanism


Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use



244 /   HD   AERONAUTICS

138 R  DF  SAFETY LOWERING DEVICES {4}
142  DF  .~ Parachutes {7}
147  DF  .~.~ Storage and release {3}
150.~.~.~ Timing mechanism


DEFINITION

Classification: 244/150

(under subclass 147) Devices for causing parachutes to open at the expiration of some predetermined time.