Buck Knives is a leading American manufacturer of different styles of knives including the first successful folding lock-blade, introduced in 1964. Folding lock-blade knives and "Buck Knife" thereby became strongly linked in the public mind, and the Buck design was much imitated, so that a buck knife, in common understanding, has come to mean any folding lock-blade of like design, even while Buck Knife is yet a trademark and not limited to folding lock-blades.
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