US PATENT SUBCLASS 220 / 62.2
.~.~ Wood or wood product layer (e.g., paper, paperboard)

Current as of: June, 1999
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220 /   HD   RECEPTACLES

62.11  DF  RECEPTACLE SIDE WALL MADE OF TWO OR MORE LAYERS OF MATERIAL PERMANENTLY ATTACHED TOGETHER {10}
62.19  DF  .~ Layer of fibrous or filamentary material {1}
62.2.~.~ Wood or wood product layer (e.g., paper, paperboard)

DEFINITION

Classification: 220/62.2

Wood or wood product layer (e.g., paper, paperboard):

(under subclass 62.19) Subject matter wherein the slender, thread-like elements are derived from wood.

SEE OR SEARCH CLASS

229, Envelopes, Wrappers, and Paperboard Boxes,

122.22, for a paperboard box having a wall made of wood, subclass 122.25 for a paperboard box having walls framed by lengths of wood, and 199.1 for a paperboard box having a wooden reinforcing element.