This class includes all inventions involving the shape, material,
construction, and securing in place of the shoes of cattle and of
horses; also, shoeing-stands and tools employed by blacksmiths in
fitting securing such shoes, with the exception noted in Lines With
Other Classes, below
SECTION II - LINES WITH OTHER CLASSES AND WITHIN THIS CLASS
Mere hoof-trimming knives will be found in Class 30, Cutlery.
Patents on grinding machines which are stated to be intended for
sharpening calks, but are of general utility will be found outside
of this class (168).
This subclass is indented under subclass 1. Overshoes and boots which are secured over the shoe and
around the foot and leg of the animal for holding in place sponges,
pads, etc., saturated with water or medicines for treating diseases
of the foot.
This subclass is indented under the class definition. Miscellaneous horseshoes not classified in the other subclasses.
It includes shoes made of specific materials and combinations of
This subclass is indented under subclass 6. Shoes formed with wedge-shaped projections which extend
upward from the surface of the shoe between the heels and serve
to spread them apart when the weight comes upon them.
This subclass is indented under subclass 4. Shoes made in sections, one of which is permanently secured
to the hoof and the other is attached by various means to the permanent section
and can be removed and renewed whenever it becomes worn.
This subclass is indented under subclass 4. Miscellaneous shoes provided with elastic material between
the plates of a composite structure or on the upper surface of the
shoe between the same and the hoof.
This subclass is indented under subclass 12. Metal shoes provided with sockets or grooves in their lower
surface, into which are fitted blocks of elastic material which
form the tread-surface of the shoe.
This subclass is indented under subclass 13. Cushioned soft-tread shoes the elastic material whereof
is extended over the sole, or at least over the frogs of the foot,
in order to protect the same from injury.
Note. Similar sole-pads which are attached without modification
in the structure of the shoe are found elsewhere in this class.
See search notes below.
This subclass is indented under subclass 17. Shoes provided with upwardly-extending spurs which are bent
or clamped over the edge of the hoof and grasp the same with spurs
or are secured to the hoof by nails or screws.
This subclass is indented under the class definition. Pads secured inside the shoe for the protection of the sole
and frog of the foot. In some cases the pad comes into contact
with the ground and gives a cushioned tread.
Note. Sole-pads are distinguished from subclass 13, by the
fact that the shoe, per se, is not composite or cushioned with elastic
material, and there is no modification of the shoe.
This subclass is indented under subclass 26. Sole-pads constructed and adapted to be packed with sponge
or other absorbent material to be saturated with medicines for the
treatment of foot diseases or in some cases with water to keep the
This subclass is indented under subclass 26. Sole-pads formed of rubber or other elastic material to
protect the sole and frog, relieve them from shock, and to keep
the foot from balling up with snow in the winter.
This subclass is indented under subclass 29. Auxiliary calked sections adapted to be clamped to the shoe
to prevent slipping.
Note. Distinguished from subclass 11, in being of a temporary
nature less intimately associated in structure with the primary
shoe, and the latter is not modified in structure to provide for
This subclass is indented under subclass 31. Removable calks attached to the shoe by one or more bolts
or screws and where a single one is employed it is prevented from
turning by a flange or shoulder on one part or the other.
This subclass is indented under subclass 31. Calks or shoes provided with one or more hooked or undercut
lugs which enter an undercut socket and are forced laterally into
engagement. They are then locked by a pin which enters the shoe
and the calk.
This subclass is indented under the unnumbered
subclass, Tenoned. Calk and shoe connected by means of a tenon having a button-head
which enters a socket and is then turned on its axis to lock it
This subclass is indented under the unnumbered
subclass, Tenoned. A tenon on the calk or a lug on the shoe is screw-threaded
and the parts are screwed together. Various means are employed
to prevent the parts from unscrewing.
This subclass is indented under subclass 45. Various tools or portable machines used for sharpening the
calks of horseshoes without removal of the shoe.
Note. Certain portable grinding-machines intended for this
purpose, but having no special construction limiting or adapting
them to this purpose, and suitable for general grinding, are classified
in Class 451, Abrading, subclass 346.
This subclass is indented under subclass 45. Tools used for expanding or pressing apart the heel portions
of the hoof when they have become contracted. There are also some
bending-tools for expanding the heels of a horseshoe to fit it to
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