US PATENT SUBCLASS 369 / 153
.~.~ Including treatment to facilitate storage (e.g., storage medium softening)

Current as of: June, 1999
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369 /   HD   DYNAMIC INFORMATION STORAGE OR RETRIEVAL

99  DF  SPECIFIC DETAIL OF INFORMATION HANDLING PORTION OF SYSTEM {4}
127  DF  .~ Mechanical modification or sensing of storage medium {6}
153.~.~ Including treatment to facilitate storage (e.g., storage medium softening) {1}
154  DF  .~.~.~> Heating (e.g., heated stylus)

DEFINITION

Classification: 369/153

Including treatment to facilitate storage (e.g., storage medium softening):

(under subclass 127) Subject matter including treatment of the storage medium surface to produce a modification in a physical characteristic thereof.

(1) Note. Examples of such treatment include softening of the storage medium and erasure of a previous track by scraping or abrading.

SEE OR SEARCH CLASS

82, Turning,

1.12, for record disc erasing not combined with mechanical storage thereon.

264, Plastic and Nonmetallic Article Shaping or Treating: Processes,

36.13, for a process of record disc erasing by shaping, not combined with mechanical storage thereon.