US PATENT SUBCLASS 123 / 59.7
.~.~ Two-stroke cycle

Current as of: June, 1999
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123 /   HD   INTERNAL-COMBUSTION ENGINES

52.1  DF  MULTIPLE CYLINDER {7}
58.1  DF  .~ Cylinders in-line {10}
59.7.~.~ Two-stroke cycle

DEFINITION

Classification: 123/59.7

Two-stroke cycle:

(under subclass 58.1) Multiple cylinder engine wherein the pistons in the working cylinders operate on a two-stroke cycle.