US PATENT SUBCLASS 137 / 68.17
.~.~.~ Pressure causes pin or bolt to destruct

Current as of: June, 1999
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137 /   HD   FLUID HANDLING

67  DF  DESTRUCTIBLE OR DEFORMABLE ELEMENT CONTROLLED {2}
68.11  DF  .~ Destructible element {9}
68.16  DF  .~.~ Tensile or sheer pin or bolt {1}
68.17.~.~.~ Pressure causes pin or bolt to destruct

DEFINITION

Classification: 137/68.17

Pressure causes pin or bolt to destruct:

(under subclass 68.16) Subject matter that destructs when the applied excessive force that fractures the pin or bolt is applied over the surface of the pin or bolt.