US PATENT SUBCLASS 297 / 452.2
.~.~ Having elongated hollow member (e.g., tubular, etc.)

Current as of: June, 1999
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297 /   HD   CHAIRS AND SEATS

452.1  DF  BOTTOM OR BACK {12}
452.18  DF  .~ Framework {2}
452.2.~.~ Having elongated hollow member (e.g., tubular, etc.)

DEFINITION

Classification: 297/452.2

Having elongated hollow member (e.g., tubular, etc.):

(under subclass 452.18) Device wherein the skeletal base structure includes support members formed from hollow elongated elements.

SEE OR SEARCH THIS CLASS, SUBCLASS:

440.24, for telescoping hollowed parts or components of a seating device.