US PATENT SUBCLASS 384 / 190.4
.~.~.~.~.~ Spring biased closed

Current as of: June, 1999
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384 /   HD   BEARINGS

91  DF  ROTARY BEARING {8}
129  DF  .~ Plain bearing {17}
158  DF  .~.~ Railway car journal {9}
189  DF  .~.~.~ Lid {3}
190  DF  .~.~.~.~ Mounted for swinging {3}
190.4.~.~.~.~.~ Spring biased closed

DEFINITION

Classification: 384/190.4

Spring biased closed:

(under subclass 190) Subject matter including a spring to close the lid.

SEE OR SEARCH THIS CLASS, SUBCLASS:

190.2+, for spring which can bias a lid open and/or closed.