Class 168/42 - Screw threaded

Subclass of Class 168 - Farriery
Definition: A tenon on the calk or a lug on the shoe is screw-threaded
No. of patents: 2
Last issue date: 04/21/1998

Number	Title	Issue Date
5740865	Horseshoe A horseshoe stock piece and various complementary pieces provide variety of custom features for horseshoes such as heel calk trailers, trailer calks, calk horseshoes and patent shoes. The stock piece is a horseshoe structure with conventional top or hoof ...	04/21/1998
5027904	Racing plate horseshoe system with movable calks A racing plate horseshoe system with movable calks has an arcuate racing plate attachable to a horse's hoof. An elongated groove is provided in the lower surface and has a plurality of spaced-apart threaded holes extending from the upper surface to the gr...	07/02/1991

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