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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Y10T29/53
Means to assemble or disassemble
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Y10T29/53796
Puller or pusher means, contained force multiplying operator
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Y10T29/53848
having screw operator
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Y10T29/53857
Central screw, work-engagers around screw
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Y10T29/53878
Tubular or tube segment forms work-engager
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Y10T29/53887
Movable grippers on screw
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