US PATENT SUBCLASS 428 / 584
.~.~.~ Same structure at both ends of plural taper


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

544  DF  ALL METAL OR WITH ADJACENT METALS {31}
577  DF  .~ Intermediate article (e.g., blank, etc.) {3}
583  DF  .~.~ Having discrete fastener, marginal fastening, taper, or end structure {2}
584.~.~.~ Same structure at both ends of plural taper


DEFINITION

Classification: 428/584

(under subclass 583) Subject matter in which the end feature is qualitatively the same at both opposite ends of the article.

(1) Note. The feature need not be quantitatively the same, e.g., both ends may taper, but at different angles.