US PATENT SUBCLASS 470 / 39
.~.~.~.~ Spike type

Current as of: June, 1999
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470 /   HD   THREADED, HEADED FASTENER, OR WASHER MAKING: PROCESS AND APPARATUS

1  DF  PROCESS {5}
27  DF  .~ Making headed fastener, e.g., rivet or nail, etc. {2}
34  DF  .~.~ Nail type {3}
38  DF  .~.~.~ Formed by heat treatment and metal shaping, i.e., wrought type {1}
39.~.~.~.~ Spike type

DEFINITION

Classification: 470/39

Spike type:

(under subclass 38) Subject matter wherein the fastener has substantially large dimensions such that the fastener can be used for securing substantially large structures or materials.