US PATENT SUBCLASS 360 / 136
.~ Drum

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


360 /   HD   DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL

131  DF  RECORD MEDIUM {4}
136.~ Drum

DEFINITION

Classification: 360/136

(under subclass 131) Subject matter wherein the record is in the form of a drum.