US PATENT SUBCLASS 428 / 135
.~.~.~ Diamond or hexagonal

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}
131  DF  .~ Including aperture {3}
134  DF  .~.~ Noncircular aperture (e.g., slit, diamond, rectangular, etc.) {2}
135.~.~.~ Diamond or hexagonal

DEFINITION

Classification: 428/135

(under subclass 134) Product in which the aperture is shaped as (1) a four sided closed figure in which two opposite angles are acute and the other two are obtuse or (2) a six sided closed figure.