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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A44B19/28
constructed to be removable from at least one stringer; ; Sliders with movable parts to permit releasing of the slider in the event of jamming or obstruction
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A44B19/285
Tools for opening or closing slide fasteners
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