US PATENT SUBCLASS 89 / 13.1
.~.~ Nonparallel bores

Current as of: June, 1999
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89 /   HD   ORDNANCE

9  DF  MACHINE GUNS {3}
13.05  DF  .~ Revolving cylinders {1}
13.1.~.~ Nonparallel bores

DEFINITION

Classification: 89/13.1

Nonparallel bores:

(under subclass 13.05) Subject matter where the axes of the bores of the cylinders are not parallel to each other.