US PATENT SUBCLASS 383 / 109
.~ Multi-layer or ply

Current as of: June, 1999
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383 /   HD   FLEXIBLE BAGS

105  DF  WALL DETAILS {7}
109.~ Multi-layer or ply {6}
110  DF  .~.~> Insulated
111  DF  .~.~> Removable ply
112  DF  .~.~> Stretchable layer or ply
113  DF  .~.~> Barrier layer or ply (e.g., waterproof)
114  DF  .~.~> Including specified end structure {1}
116  DF  .~.~> Coating or lamination

DEFINITION

Classification: 383/109

Multi-layer or ply:

(under subclass 105) Subject matter wherein the bag material includes more than one layer of material over substantially the entire surface area of the bag.

(1) Note. A coating is considered to be a "layer" or "ply".