US PATENT SUBCLASS 292 / 60
.~.~ Spring projected

Current as of: June, 1999
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292 /   HD   CLOSURE FASTENERS

2  DF  BOLTS {15}
57  DF  .~ Sliding and rotary {4}
60.~.~ Spring projected {1}
61  DF  .~.~.~> Combined motion

DEFINITION

Classification: 292/60

(under subclass 57) Devices having spring projecting means.