US PATENT SUBCLASS 470 / 41
.~ Making 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}
41.~ Making washer {1}
42  DF  .~.~> Lock-washer type

DEFINITION

Classification: 470/41

Making washer:

(under subclass 1) Subject matter wherein the fastener comprises an annular element adapted to be placed beneath the bearing surface of a bolt head, nut, or similar article.

SEE OR SEARCH THIS CLASS, SUBCLASS:

162+, for apparatuses for making washers.

165+, for washer feeders, per se.

197+, for washer forming die.

206, for washer arbors, per se.