US PATENT SUBCLASS 73 / 666
.~.~.~ Having spring support

Current as of: June, 1999
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73 /   HD   MEASURING AND TESTING

570  DF  VIBRATION {10}
662  DF  .~ Vibrator {4}
663  DF  .~.~ Table, platform, or other support {5}
666.~.~.~ Having spring support

DEFINITION

Classification: 73/666

Having spring support:

(under subclass 663) Subject matter wherein the table or platform is supported by one or more springs for aiding the vibrating thereof.

(1) Note. The spring may be an elastic material as well as a metal material.