US PATENT SUBCLASS 123 / 288
.~.~ Having fuel, a combustible mixture, or air added in the connecting passage

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

253  DF  PRECOMBUSTION AND MAIN COMBUSTION CHAMBERS IN SERIES {22}
286  DF  .~ Having specific connecting passage means between precombustion and main combustion chambers {5}
288.~.~ Having fuel, a combustible mixture, or air added in the connecting passage

DEFINITION

Classification: 123/288

Having fuel, a combustible mixture, or air added in the connecting passage:

(under subclass 286) Subject matter wherein either fuel, air, or a mixture of both is supplied in the connecting passage.