Patent classifications
Y
GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Y10
TECHNICAL SUBJECTS COVERED BY FORMER USPC
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Y10T
TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
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428/00
Stock material or miscellaneous articles
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Y10T428/24
Structurally defined web or sheet [e.g., overall dimension, etc.]
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Y10T428/24802
Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.]
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Y10T428/24934
including paper layer
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