US PATENT SUBCLASS 428 / 121
.~ Fold at edge

Current as of: June, 1999
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428 /   HD   STOCK MATERIAL OR MISCELLANEOUS ARTICLES

98  DF  STRUCTURALLY DEFINED WEB OR SHEET (E.G., OVERALL DIMENSION, ETC.) {20}
121.~ Fold at edge {4}
122  DF  .~.~> Channel-shaped edge component (e.g., binding, etc.)
123  DF  .~.~> With strand(s) or strand-portion(s) between layers (e.g., upholstery trim, etc.)
124  DF  .~.~> Acute or reverse fold of exterior component {2}
130  DF  .~.~> Particular fold structure (e.g., beveled, etc.)

DEFINITION

Classification: 428/121

(under subclass 98) Product wherein a portion if the web or sheet, or of a component thereof, is turned out of the plane of the web or sheet along a longitudinal axis thereof and at a longitudinally extending marginal portion of the web or sheet.

(1) Note. A corrugated web or sheet comprising a corrugation pattern which involves a fold at an edge thereof will be placed in subclass 179*.

SEE OR SEARCH THIS CLASS, SUBCLASS:

157, for a web or component having an integral nonfolded edge thicker than the body of the web or component.

174+, for a nonplanar layer or component in general.

176, for a similar product comprising a folded strand-type fabric, cloth or textile. 179+, for a longitudinally corrugated web or sheet wherein the corrugation pattern involves a fold at an edge thereof; and see (1) Note above.

SEE OR SEARCH CLASS

160, Flexible or Portable Closure, Partition, or Panel,

383+, for a web or sheet with a folded edge to accommodate fastening to an elongated element (e.g., frame, etc.) and especially subclass 387 for a hem in such a web or sheet.