US PATENT SUBCLASS 380 / 58
.~.~ Characters on peripheral surface (e.g., cylinder section)

Current as of: June, 1999
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380 /   HD   CRYPTOGRAPHY

56  DF  SELECTIVELY MOVABLE ELEMENT HAVING CODE CHARACTERS {1}
57  DF  .~ Rotatable {1}
58.~.~ Characters on peripheral surface (e.g., cylinder section)

DEFINITION

Classification: 380/58

Characters on peripheral surfaces (e.g., cylinder section):

(under subclass 57) Subject matter wherein the character bearing surface is on an edge surface of a movable element.

SEE OR SEARCH CLASS

399, Electrophotography,

12, for unit or part identification, subclass 84 for key sheet controlling job mode, and subclasses 366+ for document

handling of unauthorized copy prevention.