US PATENT SUBCLASS 109 / 65
.~.~ With discontinuous heat path

Current as of: June, 1999
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109 /   HD   SAFES, BANK PROTECTION, OR A RELATED DEVICE

58  DF  WALL AND PANEL STRUCTURES, CLOSURES AND CLOSURE ADJUNCTS {5}
64  DF  .~ Closures {9}
65.~.~ With discontinuous heat path

DEFINITION

Classification: 109/65

(under subclass 64) Devices wherein means is provided to prevent the conduction of heat between the exterior and interior of the device by the material of the closure and its adjacent jamb.