US PATENT SUBCLASS 177 / 228
.~.~.~ Acts on spring

Current as of: June, 1999
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177 /   HD   WEIGHING SCALES

201  DF  SELF-POSITIONING {9}
225  DF  .~ Spring {6}
226  DF  .~.~ Temperature compensator {2}
228.~.~.~ Acts on spring

DEFINITION

Classification: 177/228

(under subclass 226) Apparatus acting on or built into the spring.