US PATENT SUBCLASS 428 / 908
IMPRESSION RETENTION LAYER (E.G., PRINT MATRIX, SOUND RECORD, ETC.)

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

908IMPRESSION RETENTION LAYER (E.G., PRINT MATRIX, SOUND RECORD, ETC.)

DEFINITION

Classification: 428/908

Stock material product which is susceptible of deformation and which will maintain said deformation, due to either the structure of the product or the material(s) employed in its manufacture.

SEE OR SEARCH CLASS

369, Dynamic Information Storage or Retrieval,

272+, for records having dynamic information modulated groove structure.