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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Y10T428/16
Two dimensionally sectional layer
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Y10T428/163
Next to unitary web or sheet of equal or greater extent
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Y10T428/164
Continuous two dimensionally sectional layer
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Y10T428/167
Cellulosic sections [e.g., parquet floor, etc.]
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