US PATENT SUBCLASS 360 / 2
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Current as of: June, 1999
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360 /   HD   DYNAMIC MAGNETIC INFORMATION STORAGE OR RETRIEVAL

1  DF  RECORDING ON OR REPRODUCING FROM AN ELEMENT OF DIVERSE UTILITY {2}
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DEFINITION

Classification: 360/2

(under subclass 1) Subject matter wherein the element used as a record carrier is in a flat geometric form.

SEE OR SEARCH CLASS

235, Registers,

449, and 450 for sensing mechanisms utilized to sense discrete bits of magnetic material, the discrete bits being coded markings on a record.

434, Education and Demonstration,

308, and indented subclasses, particularly subclasses 311+ for card shaped elements used in teaching and having information recorded thereon.