US PATENT SUBCLASS 89 / 164
.~.~.~ With breech lock latch

Current as of: June, 1999
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89 /   HD   ORDNANCE

125  DF  AUTOMATIC {14}
160  DF  .~ Movable barrel (e.g., rotary) {4}
162  DF  .~.~ Rearwardly movable {10}
164.~.~.~ With breech lock latch

DEFINITION

Classification: 89/164

(under subclass 162) Guns, having means automatically operable to latch the breech block lock in unlocked position during a predetermined portion of the gun operating cycle.