Patent classifications
A
HUMAN NECESSITIES
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A44
HABERDASHERY; JEWELLERY
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A44D
INDEXING SCHEME RELATING TO BUTTONS, PINS, BUCKLES OR SLIDE FASTENERS, AND TO JEWELLERY, BRACELETS OR OTHER PERSONAL ADORNMENTS
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A44D2201/10
Details of the stud or socket member
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A44D2201/34
with one or more push-buttons acting perpendicularly to the main plane of the stud member
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