U.S. PATENT AND TRADEMARK OFFICE
Information Products Division |
U.S. Patent Classification System - Classification Definitions
as of June 30, 2000
Patents classified in a subclass may be accessed by either clicking on
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Classification Index
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Electronic Products Branch)
Class 168
FARRIERY
Class Definition:
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
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).
REFERENCES TO OTHER CLASSES
SEE OR SEARCH CLASS:
119, Animal Husbandry, for general care of an animal.
SUBCLASSES
Subclass:
1
Shoes or boots which are temporarily fastened on the foot
over the ordinary shoe; principally the means for securing
such overshoes or boots.
SEE OR SEARCH CLASS:
54, Harness, subclass 82.
Subclass:
2
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.
SEE OR SEARCH CLASS:
54, Harness, subclass 82.
Subclass:
3
Overshoes having broad soles which are intended to prevent
the animal sinking in the soft ground of swamps or for
injuring the grass of lawns.
SEE OR SEARCH CLASS:
54, Harness, subclass 82.
Subclass:
4
Miscellaneous horseshoes not classified in the other
subclasses. It includes shoes made of specific materials and
combinations of various materials.
Subclass:
5
The name indicates the contents of this subclass.
Subclass:
6
Miscellaneous shoes constructed to be adjusted for the
purpose of spreading or permitting the spreading of the hoof
when the heel has become contracted.
Subclass:
7
Hoof-spreading shoes hinged at the toe to allow the heels and
sides to expand and contract with the action of the hoof.
Subclass:
8
Hoof-spreading shoes having a spring located between the side
bars of the shoe for spreading them apart at the heel.
Subclass:
9
Hinged section, hoof-spreading shoes having a sectional bar
lying between the side sections of the shoe and pressing them
outward.
Subclass:
10
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.
Subclass:
11
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.
Subclass:
12
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.
Subclass:
13
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.
Subclass:
14
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.
(1) 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.
SEE OR SEARCH THIS CLASS, SUBCLASS:
26 and indented subclasses for similar sole-pads which are
attached without modification in the structure of the shoe.
Subclass:
15
A spring-heel is formed by a hinged or resilient portion of
the shoe backed in some cases by a rubber or metallic
spring.
(1) Note. This subclass does not include mere rubber pads
on the heels of the shoe, for which see the search note
below.
SEE OR SEARCH THIS CLASS, SUBCLASS:
13 for mere rubber pads on the heels of the shoe
Subclass:
16
The shoes are provided with pads at the edge to prevent
injury from interference.
(1) Note. In many cases the cushion extends over the upper
surface of the shoe. See search note below.
SEE OR SEARCH THIS CLASS, SUBCLASS:
12 for cases where the cushion extends over the upper
surface of the shoe
Subclass:
17
Miscellaneous improvements in the devices for securing the
shoe to the hoof.
SEE OR SEARCH THIS CLASS, SUBCLASS:
4
Subclass:
18
Shoes without nails and secured by a well-defined boot
structure extending up around the hoof and secured by straps
and buckles.
SEE OR SEARCH THIS CLASS, SUBCLASS:
2 and 3.
SEE OR SEARCH CLASS:
54, Harness, subclass 82.
Subclass:
19
Shoes made in sections having flanges or spurs which are
clamped onto the edges of the hoof.
Subclass:
20
Constructions in which sectional flanges embracing or
interlocking with the shoe and the edge of the hoof are
bolted or otherwise secured together.
Subclass:
21
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.
Subclass:
22
Shoes provided with a strap extending up the front of the
hoof and heel-straps running from the heel of the shoe to and
connecting with the toe-strap.
(1) Note. These shoes are somewhat like those of another
subclass, but do not constitute a well defined boot.
Subclass:
23
The specific construction for securing the shoe to the foot
by means of nails or screws.
Subclass:
24
Peculiarities in the form of the shoe.
Subclass:
25
Weighted shoes, toe-weights, heel weights, and combined
weights and quarter-boots.
SEE OR SEARCH CLASS:
16, Miscellaneous Hardware, subclass 403, for a paperweight
and subclass 404 for miscellaneous weighting means.
54, Harness, subclass 82, for quarter-boots, per se.
Subclass:
26
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.
(1) 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.
SEE OR SEARCH CLASS:
428, Stock Material or Miscellaneous Articles, appropriate
subclasses, for stock material, particularly of plural layer
form, which may be useful in forming a pad.
Subclass:
27
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 foot moist.
SEE OR SEARCH THIS CLASS, SUBCLASS:
3
Subclass:
28
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.
Subclass:
29
The form, construction, or arrangement of the calks on the
shoe.
(1) Note. Where there is any novelty in the mode of
attachment of a removable calk, the patent is
cross-referenced into the appropriate subclass of calks,
removable.
Subclass:
30
Auxiliary calked sections adapted to be clamped to the shoe
to prevent slipping.
(1) 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 the attachment.
SEE OR SEARCH CLASS:
36, Boots, Shoes, and Leggings, subclass 59 and 67.
Subclass:
31
Miscellaneous means for securing a removable calk to the
shoe.
Subclass:
32
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.
Subclass:
33
Calks secured to the shoe by a screw or bolt and prevented
from turning on the bolt by a lug on one part engaging a
socket in the other.
Subclass:
34
Calks provided with clamps by which they are clamped upon the
shoe.
Subclass:
35
Shoe and calk joined by a dovetailed connection and locked
against movement by a variety of means.
Subclass:
36
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.
Subclass:
37
Calks or shoes provided with one or more undercut lugs which
enter a socket and one wedged laterally to lock them in an
undercut portion of the socket.
Subclass:
38
The head of one of the nails which are used to secure the
shoe to the hoof is so formed as to serve the purpose of a
calk.
Subclass:
39
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 in place.
Subclass:
40
Calk and shoe connected by a tenon-and-socket connection
secured in place by a cross-pin or set-screw.
Subclass:
41
Calk and shoe joined by a tenon-and-socket connection, the
parts being retained by friction.
Subclass:
42
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.
Subclass:
43
The calk or a tenon on the same is inserted in a socket in
the shoe and wedged in place.
Subclass:
44
Stands used by blacksmiths for holding tools, supporting the
foot of the animal, or serving as a seat for the workman.
SEE OR SEARCH CLASS:
119, Animal Husbandry, subclasses 712+ for controlling an
animal.
Subclass:
45
Miscellaneous tools, largely compound tools for the use of
blacksmiths.
SEE OR SEARCH CLASS:
7, Compound Tools, appropriate subclasses for miscellaneous
compound tools, and see the Notes to the class definition of
that class (7) for compound tools elsewhere classified.
Subclass:
46
Various tools or portable machines used for sharpening the
calks of horseshoes without removal of the shoe.
(1) 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.
Subclass:
47
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 the foot.
SEE OR SEARCH CLASS:
81, Tools, subclass 302 for outwardly-facing jaws on pliers,
and subclass 485 for miscellaneous spreaders.
Subclass:
48.1
Hoof cleaner or trimmer:
This subclass is indented under subclass 45. Subject matter
wherein the tool is used to remove foreign matter or excess
material from the unguis, i.e., hoof, of the cattle or
horse.
SEE OR SEARCH CLASS:
15, Brushing, Scrubbing, and General Cleaning, subclasses
236+ for a scraper of general cleaning utility, and see the
search notes thereunder for other scrapers of more
specialized application.
29, Metal Working, subclass 76.1 for a device or process for
filing metal, i.e., cutting metal with a hard instrument
having its surface sharply ridged, particularly subclass 76.4
for a file, per se.
30, Cutlery, appropriate subclasses, for a hand manipulable
cutting implement adapted for trimming a hoof but of more
general utility.
Subclass:
48.2
Rotary:
This subclass is indented under subclass 48.1. Subject matter
wherein the tool utilizes a revolving portion to remove the
foreign matter or excess material.
Information Products Division -- Contacts
Questions regarding this report should be directed to:
U.S. Patent and Trademark Office
Information Products Division
PK3- Suite 441
Washington, DC 20231
tel: (703) 306-2600
FAX: (703) 306-2737
email: oeip@uspto.gov
Last Modified: 6 October 2000