US PATENT SUBCLASS 137 / 68.16
.~.~ Tensile or sheer pin or bolt

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.~.~ Tensile or sheer pin or bolt {1}
68.17  DF  .~.~.~> Pressure causes pin or bolt to destruct

DEFINITION

Classification: 137/68.16

Tensile or sheer pin or bolt:

(under subclass 68.11) Subject matter where the destructible element is a pin or bolt that destructs when an excessive force is applied.