Patent classifications
A
HUMAN NECESSITIES
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A44
HABERDASHERY; JEWELLERY
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A44B
BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
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A44B19/38
Means at the end of stringer by which the slider can be freed from one stringer, e.g. stringers can be completely separated from each other
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A44B19/382
"Two-way" or "double-acting" separable slide fasteners
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