US PATENT SUBCLASS 52 / 723.2
.~.~.~.~ Partial sleeve (e.g., collar, etc.)


Current as of: June, 1999
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52 /   HD   STATIC STRUCTURES (E.G., BUILDINGS)

720.1  DF  SHAFT (I.E., ELONGATED RIGID STRUCTURE) {15}
721.1  DF  .~ Stone-like component (e.g., concrete, etc.) {2}
721.2  DF  .~.~ Upright {3}
723.1  DF  .~.~.~ Having shell-like outer layer {1}
723.2.~.~.~.~ Partial sleeve (e.g., collar, etc.)


DEFINITION

Classification: 52/723.2

Partial sleeve (e.g., collar, etc.):

(under subclass 723.1) Structure including a covering which circumferentially envelopes only a portion of the longitudinal dimension of the shaft.