US PATENT SUBCLASS 108 / 57.29
.~ Having corrugated, grooved, or notched load-contacting surface

Current as of: June, 1999
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108 /   HD   HORIZONTALLY SUPPORTED PLANAR SURFACES

51.11  DF  INDUSTRIAL PLATFORM {20}
57.29.~ Having corrugated, grooved, or notched load-contacting surface {1}
57.3  DD  .~.~> One-piece bent sheet metal

DEFINITION

Classification: 108/57.29

Having corrugated, grooved, or notched load-contacting surface:

(under subclass 51.11) Device wherein the support surface is

provided with either alternating grooves and ridges, an elongated depression, or a cut-out structure (e.g., hole, etc.).