US PATENT SUBCLASS 43 / 138
.~.~.~ Machines

Current as of: June, 1999
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43 /   HD   FISHING, TRAPPING, AND VERMIN DESTROYING

124  DF  VERMIN DESTROYING {3}
132.1  DF  .~ Insect {2}
133  DF  .~.~ Catchers {2}
138.~.~.~ Machines {4}
139  DF  .~.~.~.~> Suction {1}
141  DF  .~.~.~.~> Blast
142  DF  .~.~.~.~> Rotated agitator
143  DF  .~.~.~.~> Oscillated agitator

DEFINITION

Classification: 43/138

(under subclass 133) Insect-destroyers which catch the insect and which are true machines or which include machines as part of the catching mechanism.

(1) Note. By "machines" is meant an instrument composed of one or more of the mechanical powers and capable, when set in motion, of producing by its own operation certain predetermined physical effects. A machine differs from all other mechanical instruments in that its rule of action resides within itself. It operates in a specific manner through agents of a specific character.