US PATENT SUBCLASS 89 / 187.02
.~.~.~ Cylindrical or ball bearing

Current as of: June, 1999
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89 /   HD   ORDNANCE

125  DF  AUTOMATIC {14}
180  DF  .~ Breech block lock (positive or impositive) {8}
187.01  DF  .~.~ Sliding locking member {1}
187.02.~.~.~ Cylindrical or ball bearing

DEFINITION

Classification: 89/187.02

Cylindrial or ball bearing:

(under subclass 187.01) Devices wherein the sliding member is columnar in shape or includes a ball shape bearing.