US PATENT SUBCLASS 297 / 440.15
.~ Interfitted back and bottom or back frame and bottom frame

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

440.1  DF  HAVING DETACHABLY INTERFITTING PARTS OR COMPONENTS; I.E., KNOCKDOWN {9}
440.15.~ Interfitted back and bottom or back frame and bottom frame {3}
440.16  DF  .~.~> Including a substantially upright post slidably inserted into an elongated recess
440.17  DF  .~.~> One-piece back and arm
440.18  DF  .~.~> One-piece back and leg {1}

DEFINITION

Classification: 297/440.15

Interfitted back and bottom or back frame and bottom frame:

(under subclass 440.1) Device including a back or a frame on which the back is mounted, and a bottom or a frame on which the bottom is mounted, wherein the back or back frame includes structure configured to detachably join with a connection means of the bottom or bottom frame.