US PATENT SUBCLASS 470 / 3
.~.~ Bolt or screw with washer

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

1  DF  PROCESS {5}
2  DF  .~ Assembling or disassembling fastener with element {2}
3.~.~ Bolt or screw with washer {1}
4  DF  .~.~.~> By telescoping

DEFINITION

Classification: 470/3

Bolt or screw with washer:

(under subclass 2) Subject matter wherein the fastener comprises an externally threaded securing device having an enlargement at an end of the device structured to function as a head therefor, i.e., a bolt or screw, and further wherein the device is associated with means structured to cooperate and function with the fastener in the form of a perforated disk or annular component, i.e., a washer.