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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11/00
Buckles; Similar fasteners for interconnecting straps or the like, e.g. for safety belts
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A44B11/20
engaging holes or the like in strap
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A44B11/22
Buckle with fixed prong
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A44B11/226
with cover plate
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