US PATENT SUBCLASS 92 / 169.2
.~ With reinforcing member

Current as of: June, 1999
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92 /   HD   EXPANSIBLE CHAMBER DEVICES

169.1  DF  CYLINDER DETAIL {3}
169.2.~ With reinforcing member {1}
169.3  DF  .~.~> Extending through working member {1}

DEFINITION

Classification: 92/169.2

With reinforcing member:

(under subclass 169.1) Apparatus including structure specifically provided for (a) increasing the rigidity of the cylinder, or (b) strengthening the cylinder, or (c) bypassing the effect of pressure deformation on the cylinder to a cylinder mounting structure.