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Classification Resources
 

 [Search a list of Patent Appplications for class 128]   CLASS 128,SURGERY
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SECTION I - CLASS DEFINITION

This class includes methods of treatment of the living body and apparatus used in the inspection and treatment of diseases, wounds, and other abnormal conditions of the bodies of humans and lower animals.

This class includes methods and means for manufacturing surgical appliances which are not classifiable in other classes.

(1) Note. This class appropriate subclasses, provides for a method of blood transfusion or artificial inseminations.
(2) Note. This class includes methods and apparatus wherein specific structure, adapted to be placed on or in the living body, is claimed, and further includes diagnostic or therapeutic methods and apparatus wherein no such specific structure is claimed, when the only disclosed utility is for diagnosis or treatment of a living body. In addition, subcombinations of surgical treatment or testing apparatus are classified in the class when not specifically provided for elsewhere.

SECTION II - LINES WITH OTHER CLASSES AND WITHIN THIS CLASS

Class 604, Surgery, is an integral part of Class 128, Surgery, and all notes and class lines of Class 128 apply to Class 604. Class 604 follows the hierarchy of Class 128, Class 604 merely replaces the Medicators and Receptors portion of Class 128. For the purpose of convenience, Class 604 is referred to as a separate Class.

LINE WITH CLASS 4

Generic terms such as "treatment", "therapy", "massage", "hydrotherapy", "hydromassage", etc., are to be interpreted broadly for placement in Class 4 lacking a disclosed body treatment for a named medical condition or physical injury. Exceptions to this rule comprise generically disclosed and claimed hydrotherapy of the genitalia or any internal body tissues, or a device for applying a force which imparts a specific motion to the body or portion thereof, or a device which is disclosed as providing treatment resulting in an internal action on the body which shall be classified in Class 128 or one of its Class 600 series trailer classes as provided for therein.

LINE WITH CLASS 239

Generic terms such as "treatment"", "therapy", "massage", "hydrotherapy", "hydromassage", etc. are to be interpreted broadly for placement in Class 239 lacking a disclosed body treatment for a named medical condition or physical injury. Exceptions to this rule comprise generically disclosed and claimed hydrotherapy of the genitalia or any internal body tissues, or a device for applying a force which imparts a specific motion to the body or portion thereof which shall be classified in Class 128 or one of its Class 600 series trailer classes as provided for therein.

SECTION III - REFERENCES TO OTHER CLASSES

SEE OR SEARCH CLASS:

4Baths, Closets, Sinks, and Spittoons,   for a bathing device generically disclosed and claimed which does not provide medical treatment to the body for a named ailment or injury thereof. (See Lines With Other Classes and Within This Class, for the lines between Class 4 and Class 128 or one of its series trailer classes as provided for therein.)
5Beds,   subclasses 630+ for a table designed to serve as a support for an animal during surgical operations, especially for a device attached to or combined with a table comprising a mere body support for surgical operations.
27Undertaking,   for means for embalming or otherwise caring for the dead body.
36Boots, Shoes, and Leggings,   appropriate subclasses for foot coverings and foot devices for general use.
73Measuring and Testing,   subclasses 863+ for samplers; and particularly subclasses 864.01+ for a pipette (e.g., syringe, hollow needle, etc.) which does not contact the living body.
81Tools,   subclass 9.22 for a tattooing device including means to reciprocate (e.g., vibrate) a perforating tool and to discharge coloring material into the perforations.
108Horizontally Supported Planar Surfaces,   subclasses 1+ for a horizontally supported surface which is tiltable.
119Animal Husbandry,   for means for the treatment and general care of livestock, subclass 14.21 for milking catheters disclosed for that purpose and subclasses 712+ for body harness of general application. See the search notes thereunder.
132Toilet,   appropriate subclasses for methods and devices used by persons in making their toilet, particularly subclasses 212+ for devices for treating, dressing, or manipulating the hair, and subclasses 73+ for devices for manicuring the nails and for removing corns and other callosities by abrasion.
168Farriery,   appropriate subclassesfor means for the care of the feet of animals.
239Fluid Sprinkling, Spraying, and Diffusing,   appropriate subclassesfor a spray head, including the massaging type generically disclosed and claimed which does not provide medical treatment for a named ailment or injury. (See Lines With Other Classes and Within This Class, for the lines between Class 239 and Class 128 or one of its series trailer classes as provided for therein.)
257Active Solid-State Devices (e.g., Transistors, Solid-State Diodes),   subclasses 414+ for such devices used as sensors (e.g., chemical sensors, pressure sensors, etc.), that are small enough to be inserted in a body to be used for measuring and testing.
297Chairs and Seats,   appropriate subclasses for a chair whose component parts may be manipulated to place an occupant in a desired position to facilitate examination or treatment, but which have no examination or treatment means combined therewith.
312Supports: Cabinet Structure,   subclass 209 for cabinets specially designed for laboratory, dental, barber or medical use.
351Optics: Eye Examining, Vision Testing and Correcting,   subclasses 1+ for optical eye examining and vision testing instruments; and subclasses 41+ for spectacles and eyeglasses. See also References to Other Classes in the Class 351 Class Definitions and (1) Note under subclasses 200+ of this class for statements as to subject matter classified in this class and Class 128.
401Coating Implements With Material Supply,   subclass 28 for a multiple (massaging) tip, multiple discharge implement adapted to be applied to the human body.
424Drug, Bio-Affecting and Body Treating Compositions,   appropriate subclass for a medicinal composition or process of use of a compound or composition and particularly subclass 467 for a composition of that class comprising a structural feature and see the definition of that class for the line between Class 128 and Class 424.
428Stock Material or Miscellaneous Articles,   appropriate subclasses, for a stock material product in the form of a single or plural layer web or sheet, and subclasses 364+ for a structurally defined (e.g., crimped, particular cross-section) or coated rod, strand, fiber or filament.
433Dentistry,   appropriate subclasses for subject matter restricted to (sole disclosure) specific dental steps or means. Apparatus wherein a specific nondental surgical use is disclosed and are classified as originals in Class 128.
435Chemistry: Molecular Biology and Microbiology,   subclasses 1 and 2 for a method of maintaining the viability of an animal tissue or cell, e.g., bone, blood or sperm.
436Chemistry: Analytical and Immunological Testing,   for processes of chemical testing, processes of an vitro antigen-antibody testing and compositions therefore.
520Synthetic Resins or Natural Rubbers,   especially Class 523, subclasses 105+ for nonmedicated compositions containing a synthetic resin or natural rubber having utility specifically intended to be for contact with living animal tissue; and subclass 111 for a composition which is to be used in a protective bandage for an open wound or as a tape adhesive, binder, or impregnate for a body absorbent device; or to processes of preparing said compositions.
623Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor,   appropriate subclassesfor prosthetic devices.

SUBCLASSES

[List of Patents for class 128 subclass 95.1]    95.1TRUSS:
 This subclass is indented under the class definition.  Surgery in which an appliance presses on or treats a portion(s) of the body for supporting and protecting.
(1) Note. This subclass also includes covers for truss belts, frames and pads.

SEE OR SEARCH CLASS:

450Foundation Garments,   subclasses 7+ for breast bandages or brassieres combined with abdominal supporter or bandages wherein the latter has no claimed pressure pads or claimed means for holding or retaining such a pad and subclasses 94+ for abdominal supporters or bandages having no claimed pressure pad or claimed means for holding or retaining such a pad.
602Surgery: Splint, Brace, or Bandage,   subclasses 32+ for skeletal traction applicator.
  
[List of Patents for class 128 subclass 96.1]    96.1Abdominal:
 This subclass is indented under subclass 95.1.  Subject matter having a truss pad which covers or supports a large section of that portion of the body lying between the thorax and the pelvis.
  
[List of Patents for class 128 subclass 97.1]    97.1Head:
 This subclass is indented under subclass 95.1.  Subject matter for exerting pressure on the uppermost or foremost portion of the body.
  
[List of Patents for class 128 subclass 98.1]    98.1Perineal:
 This subclass is indented under subclass 95.1.  Subject matter for exerting pressure on that portion of the body having a pelvic region containing urogenital and rectal passages which are bounded in part by a pubic arch, in the back by a cocyx, and laterally by a portion of a hip bone.
  
[List of Patents for class 128 subclass 99.1]    99.1Support:
 This subclass is indented under subclass 95.1.  Subject matter in which belt or frame means functions to both maintain a truss pad against a particular portion of the body and aids in applying pressure to said truss pad.
(1) Note. Back support members for trusses are cross-referenced in this subclass because of their support nature.
  
[List of Patents for class 128 subclass 100.1]    100.1Belt wholly flexible:
 This subclass is indented under subclass 99.1.  Subject matter wherein the pad maintaining and pressuring means is a long, narrow strip of pliable material capable of being bent to the shape of the body.
  
[List of Patents for class 128 subclass 101.1]    101.1Elastic in part:
 This subclass is indented under subclass 100.1.  Subject matter wherein a portion of the pliable material is resilient and capable of returning to its original shape or form after deformation.
  
[List of Patents for class 128 subclass 102.1]    102.1Belt and frame:
 This subclass is indented under subclass 99.1.  Subject matter wherein a long, narrow strip of pliable material capable of being bent to the shape of the body has structure mad of metal or equivalent stiff material which holds the pad.
  
[List of Patents for class 128 subclass 103.1]    103.1Frame hinged:
 This subclass is indented under subclass 99.1.  Subject matter in which the pad holder structure is of several parts which parts (which parts) are joined in such a way as to permit relative rotation or pivoting with respect to one another.
  
[List of Patents for class 128 subclass 104.1]    104.1Frame wholly metallic:
 This subclass is indented under subclass 99.1.  Subject matter wherein the pad support is metallic.
(1) Note. Parents disclosing metallic pad supports covered with, lacquer, shellac, rubber, plastic, etc. would be classifiable here.
  
[List of Patents for class 128 subclass 105.1]    105.1Frame with auxiliary straps:
 This subclass is indented under subclass 99.1.  Subject matter wherein the support means is provided with flexible straps which aid in positioning the support upon the body.
  
[List of Patents for class 128 subclass 106.1]    106.1Pad carrier:
 This subclass is indented under subclass 99.1.  Subject matter wherein significance is attributed to the belt or frame support means is separable from the belt or frame support.
  
[List of Patents for class 128 subclass 107.1]    107.1Detachable:
 This subclass is indented under subclass 106.1.  Subject matter wherein the pad support means is separable from the belt or frame support.
  
[List of Patents for class 128 subclass 108.1]    108.1Pivoted:
 This subclass is indented under subclass 106.1.  Subject matter wherein the pad support means is capable of rotating or swinging motion about a fixed point on the frame or belt on which it is supported.
  
[List of Patents for class 128 subclass 109.1]    109.1Resilient:
 This subclass is indented under subclass 108.1.  Subject matter wherein the pivotable pad support is flexibly or yieldably mounted on the belt or frame support means.
  
[List of Patents for class 128 subclass 110.1]    110.1Clamped:
 This subclass is indented under subclass 108.1.  Subject matter wherein the pivoted member is secured to the belt or frame support means by a gripping means.
  
[List of Patents for class 128 subclass 111.1]    111.1Resilient:
 This subclass is indented under subclass 106.1.  Subject matter wherein the pad support means is flexibly or yieldably mounted on the belt or frame support means.
  
[List of Patents for class 128 subclass 112.1]    112.1Pad:
 This subclass is indented under subclass 95.1.  Subject matter wherein significance is attributed to the pressing or pressure applying element.
  
[List of Patents for class 128 subclass 113.1]    113.1Composition:
 This subclass is indented under subclass 112.1.  Subject matter wherein significance is attributed to the component materials or make up of the pressing or pressure applying element.
  
[List of Patents for class 128 subclass 114.1]    114.1Medicating:
 This subclass is indented under subclass 112.1.  Subject matter wherein the pressing or pressure applying element is provided or pressure applying element is provided with a portion or portions which contain or carry a medicament.
  
[List of Patents for class 128 subclass 115.1]    115.1Rigid:
 This subclass is indented under subclass 112.1.  Subject matter wherein the pressing or pressure applying element is inflexible.
  
[List of Patents for class 128 subclass 116.1]    116.1Adjustable center:
 This subclass is indented under subclass 112.1.  Subject matter wherein the pressing or pressure element has a middle or core portion which is capable of being reoriented in respect to the body of the pressing or pressure element.
  
[List of Patents for class 128 subclass 117.1]    117.1Resilient:
 This subclass is indented under subclass 112.1.  Subject matter wherein the pressing or pressure element is, at least in part, flexible or yieldable.
  
[List of Patents for class 128 subclass 118.1]    118.1Inflated:
 This subclass is indented under subclass 117.1.  Subject matter wherein the flexible or yieldable portion of the pressing or pressure element is capable of being expanded or distended by air pressure.
  
[List of Patents for class 128 subclass 119.1]    119.1Spring:
 This subclass is indented under subclass 117.1.  Subject matter wherein the flexible or yieldable pressing or pressure element is means which is capable or regaining its original shape after being compressed or extended beyond its elastic limit.
  
[List of Patents for class 128 subclass 120.1]    120.1Stuffed:
 This subclass is indented under subclass 117.1.  Subject matter wherein the flexible or yieldable portions of the pressing or pressure element is packed with a material.
  
[List of Patents for class 128 subclass 121.1]    121.1Connections:
 This subclass is indented under subclass 112.1.  Subject matter wherein significant is attributed to an element which secures the pressing or pressure element or pressure pad upon a pad carrier or other pad support means.
  
[List of Patents for class 128 subclass 122.1]    122.1Ball and socket:
 This subclass is indented under subclass 121.1.  Subject matter wherein the securing means is a spherical element which is designed to fit into an opening or cavity which permits rotation of said element relative to said opening or cavity.
  
[List of Patents for class 128 subclass 123.1]    123.1Hinged:
 This subclass is indented under subclass 121.1.  Subject matter wherein the securing element is a jointed or flexible means which permits turning or pivoting relative to a stationary member.
  
[List of Patents for class 128 subclass 124.1]    124.1Clamped:
 This subclass is indented under subclass 121.1.  Subject matter wherein the securing element is a gripping means.
  
[List of Patents for class 128 subclass 125.1]    125.1Resilient:
 This subclass is indented under subclass 121.1.  Subject matter wherein the securing element is a flexible or yieldable means.
  
[List of Patents for class 128 subclass 126.1]    126.1Spring only:
 This subclass is indented under subclass 125.1.  Subject matter wherein the flexible or yieldable means is capable or resuming its original shape or position upon being compressed or extended beyond its elastic limit.
  
[List of Patents for class 128 subclass 200.11]    200.11MEANS FOR PASSING RESPIRATORY GAS THROUGH BODY OF LIQUID BEFORE INHALATION:
 This subclass is indented under the class definition.  Subject matter for releasing into a body of liquid a breathable gas that is thereafter inhaled by a living thing.

SEE OR SEARCH THIS CLASS, SUBCLASS:

200.14+,for atomizers or sprayers.
200.24,for respiration devices, per se.
200.29,for means for releasing exhaled gas in finely divided form from a diving mask or helmet to reduce the possibility of bubbles of the gas being detected.
203.12,for other means for mixing an agent with breathed gas.
  
[List of Patents for class 128 subclass 200.12]    200.12Pocket type:
 This subclass is indented under subclass 200.11.  Subject matter comprising a self-contained means intended to be carried in a pocket of a garment.
  
[List of Patents for class 128 subclass 200.13]    200.13Plural orifice means passing gas into liquid:
 This subclass is indented under subclass 200.11.  Subject matter including plural orifice means passing the gas into the body of liquid.
  
[List of Patents for class 128 subclass 200.14]    200.14LIQUID MEDICAMENT ATOMIZER OR SPRAYER:
 This subclass is indented under the class definition.  Subject matter which reduces a liquid medicament (e.g., water, disinfectant, decomgestant, etc.) to minute particles, or which produces a diffused spray of such liquid (e.g., shower head-type diffusers, etc.).
(1) Note. Atomizers or sprayers, per se, are classified in other classes (e.g., Class 239, Fluid Sprinkling, Spraying, and Diffusing) when no means particularly adapting them for use on or in a living body is claimed, or when no structure adapted to be connected to a respiratory device for a living thing is claimed and something other than a medicament is atomized or sprayed.
(2) Note. Atomizers for dispensing adhesive to body tissue, either internally or externally, are classified in Class 604 when the atomized adhesive is not inhaled.

SEE OR SEARCH THIS CLASS, SUBCLASS:

200.11,for devices passing gas through a body of liquid before inhalation.

SEE OR SEARCH CLASS:

123Internal-Combustion Engines,   subclasses 131+ for combustion charges atomized devices.
239Fluid Sprinkling, Spraying, and Diffusing,   appropriate subclassesfor other than medicating atomizers and sprayers.
261Gas and Liquid Contact Apparatus,   subclasses 78+ for atomizer type contact devices.
604Surgery,   subclass 94.01 for dual nozzles inserted into nasal passages; subclasses 212+ for collapsible material reservoir structure such as squeeze bulbs; and subclasses 264+ for noz inserted in the body.
  
[List of Patents for class 128 subclass 200.15]    200.15With tongue depressor:
 This subclass is indented under subclass 200.14.  Subject matter including means for depressing the user’s tongue so that it will not occlude the gas passage to the lungs.
  
[List of Patents for class 128 subclass 200.16]    200.16Ultrasonic:
 This subclass is indented under subclass 200.14.  Subject matter including a means for atomizing or spraying a liquid by producing a vibratory frequency therein higher than that detectable by the human ear.
  
[List of Patents for class 128 subclass 200.17]    200.17Rotating:
 This subclass is indented under subclass 200.14.  Subject matter including a rotating means (e.g., a spinning disk from which liquid is discharged by centrifugal force, etc.) for atomizing or spraying.
  
[List of Patents for class 128 subclass 200.18]    200.18Spray impinged against baffle in or adjacent flow conduit:
 This subclass is indented under subclass 200.14.  Subject matter including a baffle in a flow conduit or adjacent the outlet of a flow conduit, upon which baffle the atomized or sprayed fluid impinges.
(1) Note. The baffle in this subclass must be an additional element in or adjacent the flow conduit, not merely a wall portion of the conduit.
  
[List of Patents for class 128 subclass 200.19]    200.19Means for selectively dispensing different fluids:
 This subclass is indented under subclass 200.14.  Subject matter including means for selectively dispensing different fluids, e.g., air or water.
  
[List of Patents for class 128 subclass 200.21]    200.21Gas stream aspirating medicament from reservoir:
 This subclass is indented under subclass 200.14.  Subject matter including means for sucking a medicament from a reservoir.
  
[List of Patents for class 128 subclass 200.22]    200.22Gas flow induced by expansion chamber device (e.g., piston/cylinder ram, squeeze bulb, etc.):
 This subclass is indented under subclass 200.21.  Subject matter including an expansion chamber means for inducing gas flow.
  
[List of Patents for class 128 subclass 200.23]    200.23Pre-pressurized container holding medicament:
 This subclass is indented under subclass 200.14.  Subject matter including a pre-pressurized container holding the medicament.
(1) Note. Devices found in this subclass are usually of the "aerosol" type wherein the container holding the medicament is pressurized, during manufacture, with a gas which acts to expel the medicament during use.
  
[List of Patents for class 128 subclass 200.24]    200.24RESPIRATORY METHOD OR DEVICE:
 This subclass is indented under the class definition.  Subject matter relating to the supply of a breathable gas to, or exhaust of such gas from, a living body.
(1) Note. Respirators claiming a breath flow meter are classified here where the breath flow indication is merely for monitoring the proper operation of the respirator. Breath flow measurement devices for diagnostic purposes are found in Class 600, subclasses 538+.
(2) Note. Respiratory gas includes gas taken into the body through the skin.

SEE OR SEARCH THIS CLASS, SUBCLASS:

200.11+,for respiration devices claiming means for passing a breathable gas through a body of liquid.
200.14+,for respiration devices claiming atomizer or sprayer means.

SEE OR SEARCH CLASS:

95Gas Separation: Processes,   for processes of gas separation, per se.
96Gas Separation: Apparatus,   for apparatus for gas separation, per se.
137Fluid Handling,   appropriate subclasses for valves and flow regulating means not combined with body accommodating means.
251Valves and Valve Actuation,   for a valve, per se.
452Butchering,   subclass 66 for gas chambers used in killing animals for food.
  
[List of Patents for class 128 subclass 200.25]    200.25Artificial gill, or means for separating entrained air from liquid stream:
 This subclass is indented under subclass 200.24.  Subject matter including an artificial gill or a means for separating entrained air from a liquid stream.

SEE OR SEARCH CLASS:

96Gas Separation: Apparatus,   subclasses 155+ for degasifying means for a liquid, per se.
  
[List of Patents for class 128 subclass 200.26]    200.26Means placed in body opening to facilitate insertion of breathing tube:
 This subclass is indented under subclass 200.24.  Subject matter including means placed in a natural or previously formed opening in the body to facilitate the insertion of a breathing tube therein.
(1) Note. Classifiable here are respiration devices including an outer tube which may be inserted prior to insertion of a coaxial inner tube, e.g., devices including coaxial tubes where the inner tube may be removed (as for cleaning, etc.), since the outer tube is inherently a means to facilitate insertion of a breathing tube even if not so disclosed. Also classifiable here are devices insertable into a breathing tube to facilitate insertion of the latter within the body.

SEE OR SEARCH THIS CLASS, SUBCLASS:

207.14+,for respiratory gas supply means entering the mouth or a tracheotomy incision.

SEE OR SEARCH CLASS:

604Surgery,   subclasses 264+ for nozzles, trocars, and catheters inserted into the body for therapeutic purposes.
  
[List of Patents for class 128 subclass 200.27]    200.27Gas stream directed away from face mask to penetrate contaminated atmosphere:
 This subclass is indented under subclass 200.24.  Subject matter wherein a gas stream is directed away from a face mask to penetrate a contaminated atmosphere, usually for the purpose of enabling the user of the face mask to see clearly.
(1) Note. See subclass 205.25 for the definition of a face mask.

SEE OR SEARCH CLASS:

454Ventilation,   subclasses 88+ for protective air currents used in a ventilating system.
  
[List of Patents for class 128 subclass 200.28]    200.28Body or head supported means, other than face mask or hood, with gas stream to screen face or penetrate contaminated atmosphere:
 This subclass is indented under subclass 200.24.  Subject matter including means, other than a face mask or hood, with a gas stream to screen the user’s face or penetrate a contaminated atmosphere.
(1) Note. A "hood" as used herein is a cover for the scalp and face. See subclass 205.25 for the definition of a face mask.

SEE OR SEARCH CLASS:

454Ventilation,   subclasses 88+ for protective air currents used in a ventilating system.
  
[List of Patents for class 128 subclass 200.29]    200.29Underwater exhalation dispersing means:
 This subclass is indented under subclass 200.24.  Subject matter for dispersing exhaled gas from a diver’s mask, helmet, or other underwater apparatus into ambient water in finely divided form.
(1) Note. Devices in this subclass are usually for preventing detection of the diver or for decreasing the noise caused by exhalation into water to improve communication between divers.
  
[List of Patents for class 128 subclass 201.11]    201.11Draw-type snorkel:
 This subclass is indented under subclass 200.24.  Subject matter for use under water including means extending to the surface of the water to allow the user to draw air from the atmosphere with no means to supply respiratory gas under positive pressure.

SEE OR SEARCH THIS CLASS, SUBCLASS:

201.27,for diving or swimming devices including a head cover.
204.18+,for diving or swimming devices supplying respiratory gas under positive pressure.
  
[List of Patents for class 128 subclass 201.12]    201.12Corrective or magnifying lens combined with face mask having eyepiece or transparent viewing portion:
 This subclass is indented under subclass 200.24.  Subject matter including a face mask with an eyepiece or transparent viewing portion and an additional corrective or magnifying lens.
(1) Note. See subclass 205.25 for the definition of a face mask.
  
[List of Patents for class 128 subclass 201.13]    201.13Inhaled gas heated or humidified by exhaled gas:
 This subclass is indented under subclass 200.24.  Subject matter wherein the inhaled gas is heated or humidified by exhaled gas.
(1) Note. This subclass includes, inter alia, devices including merely a filter means functioning as a heat exchanger or humidifier by trapping warm water vapor present in the exhaled gas and subsequently transferring the heat and water vapor to gas inhaled through the filter. Similar filter means are placed elsewhere under subclass 200.24 where no heat exchange or humidifying feature is disclosed (see especially subclasses 205.27+).
  
[List of Patents for class 128 subclass 201.14]    201.14Viewing strip slidable relative to mask:
 This subclass is indented under subclass 200.24.  Subject matter including a viewing strip slidable relative to a face mask so that a portion of the strip that has become damaged or soiled during use of the mask can be replaced by a clear portion of the strip.
(1) Note. See subclass 205.25 for the definition of a face mask.
  
[List of Patents for class 128 subclass 201.15]    201.15Means for keeping viewing member (e.g., eyeglass, transparent face shield, etc.) clear:
 This subclass is indented under subclass 200.24.  Subject matter including means for keeping a viewing member clear.

SEE OR SEARCH THIS CLASS, SUBCLASS:

206.22,for means for handling liquid (e.g., saliva, breath condensation, etc.) accumulated in a mask.
  
[List of Patents for class 128 subclass 201.16]    201.16Wiper:
 This subclass is indented under subclass 201.15.  Subject matter including a wiper for keeping the viewing member clear.
  
[List of Patents for class 128 subclass 201.17]    201.17Mask with porous lower filtering portion and impervious upper portion shielding user"s eyeglasses from exhaled breath:
 This subclass is indented under subclass 201.15.  Subject matter including a mask with a porous lower filtering portion and an impervious upper portion shielding the user’s eyeglasses from the exhaled breath.
(1) Note. Devices in this subclass are usually a "surgical-type" mask formed entirely of cloth, etc., with an impervious upper portion.
  
[List of Patents for class 128 subclass 201.18]    201.18Means for preventing nasal inhalation:
 This subclass is indented under subclass 200.24.  Subject matter including means for preventing nasal inhalation.
  
[List of Patents for class 128 subclass 201.19]    201.19Means for transmitting, or facilitating, voice communication from face mask, hood, or helmet:
 This subclass is indented under subclass 200.24.  Subject matter including means for transmitting, or facilitating, voice communication from a face mask, hood, or helmet.
(1) Note. A patent is placed here when merely a means adapted to hold a voice transmitting means is claimed. See subclass 205.25 for the definition of a face mask, and (1) Note under subclass 200.28 for the definition of a hood.

SEE OR SEARCH THIS CLASS, SUBCLASS:

200.29,for a device for dispersing exhaled gas from a diver’s mask or helmet into ambient water in finely divided form.
  
[List of Patents for class 128 subclass 201.21]    201.21Using liquified oxygen:
 This subclass is indented under subclass 200.24.  Subject matter using liquified oxygen, usually as a source of gas for breathing.

SEE OR SEARCH CLASS:

62Refrigeration,   appropriate subclassesfor devices for manufacturing and handling liquified gas.
  
[List of Patents for class 128 subclass 201.22]    201.22Including body or head supported means covering user’s scalp:
 This subclass is indented under subclass 200.24.  Subject matter including a means which covers the user’s scalp and which is supported by the head or other portion of the user’s body.
(1) Note. Straps extending over or around the head to attach a face mask are not considered a scalp cover for this subclass.
  
[List of Patents for class 128 subclass 201.23]    201.23And nose and mouth also covered:
 This subclass is indented under subclass 201.22.  Subject matter wherein a portion of the scalp covering means, or a face mask associated therewith, overlies the nose and mouth.
(1) Note. See subclass 205.25 for the definition of a face mask.
  
[List of Patents for class 128 subclass 201.24]    201.24Face mask, visor, or like face-covering means hinged to scalp covering means:
 This subclass is indented under subclass 201.23.  Subject matter wherein a face mask, visor, or like face-covering means is hinged to a means covering the user’s scalp.
(1) Note. See subclass 205.25 for the definition of a face mask.
  
[List of Patents for class 128 subclass 201.25]    201.25Means for removing substance from respiratory gas:
 This subclass is indented under subclass 201.23.  Subject matter including means for removing a substance from the respiratory gas.

SEE OR SEARCH THIS CLASS, SUBCLASS:

204.16,205.12, and 205.27+, for other means for removing a substance from respiratory gas.

SEE OR SEARCH CLASS:

96Gas Separation: Apparatus,   for apparatus for gas separation, per se.
  
[List of Patents for class 128 subclass 201.26]    201.26Including means inserted in mouth:
 This subclass is indented under subclass 201.23.  Subject matter including means held in the user’s mouth.
  
[List of Patents for class 128 subclass 201.27]    201.27Diving or swimming apparatus:
 This subclass is indented under subclass 201.23.  Subject matter for use in diving or swimming.

SEE OR SEARCH THIS CLASS, SUBCLASS:

200.11,for draw-type snorkeling devices.
204.18+,for diving or swimming devices supplying respiratory gas under positive pressure where no head cover, or associated face mask, overlying the nose and mouth is claimed.

SEE OR SEARCH CLASS:

2Apparel,   subclasses 2.18+ for guards and protectors, diving type, for diving apparel where no respiration means is claimed.
73Measuring and Testing,   subclass 865.1 for a decompression gauge for divers.
405Hydraulic and Earth Engineering,   subclasses 186+ for diving suits including Class 405 structure and where no respiration means is claimed.
441Buoys, Rafts, and Aquatic Devices,   subclasses 55+ for swimming aids or buoyant devices where no respiration means is claimed.
  
[List of Patents for class 128 subclass 201.28]    201.28Having valve, or valve control, structure:
 This subclass is indented under subclass 201.23.  Subject matter including a valve, or valve control, structure.
(1) Note. A patent is placed as an original in this subclass only if it claims structural details of a valve, (i.e., a mere nominal recitation of a valve is insufficient to place a patent here.
  
[List of Patents for class 128 subclass 201.29]    201.29Garment associated with head cover:
 This subclass is indented under subclass 201.23.  Subject matter including an item of clothing (e.g., a diving suit, etc.) associated with the head cover.
  
[List of Patents for class 128 subclass 202.11]    202.11Flight suit:
 This subclass is indented under subclass 201.29.  Subject matter wherein the garment is a flight suit.

SEE OR SEARCH CLASS:

2Apparel,   subclasses 2.11+ for an astronaut’s body covering and subclass 2.14 for an aviator"s body covering.
  
[List of Patents for class 128 subclass 202.12]    202.12Hypobaric body chamber:
 This subclass is indented under subclass 200.24.  Subject matter including a chamber for subjecting the body to less than atmospheric pressure.

SEE OR SEARCH THIS CLASS, SUBCLASS:

205.26,for atmosphere enclosures, such as oxygen tents and chambers, for pressurizing the whole body.

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454Ventilation,   subclasses 70 , 238, 255, and 340 for living enclosures having automatically controlled pressure conditions without the addition of medicaments or other surgical treatment.
  
[List of Patents for class 128 subclass 202.13]    202.13Combined with or convertible to a nonrespiratory device, or having a nonrespiratory function other than hyperbaric treatment:
 This subclass is indented under subclass 200.24.  Subject matter combined with or convertible to a nonrespiratory device, or having a function not involved with breathing or with hyperbaric treatment (i.e., application of pressure to the body, as in diver decompression, etc.

SEE OR SEARCH THIS CLASS, SUBCLASS:

205.26,for an enclosure wherein gas such as air is placed under pressure to apply force against a person’s body, the gas also simultaneously being used for respiration by the person in the enclosure.

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604Surgery,   subclasses 23+ for gas introduced or removed from the body for therapeutic purposes other than breathing or inhaling.
  
[List of Patents for class 128 subclass 202.14]    202.14Having buoyancy chamber:
 This subclass is indented under subclass 202.13.  Subject matter including a buoyancy chamber.
  
[List of Patents for class 128 subclass 202.15]    202.15Having means for facilitating ingestion of food or drink:
 Subject matter under 202.13 including a means for facilitating intake of food or drink by a user of the apparatus.
  
[List of Patents for class 128 subclass 202.16]    202.16Means effecting nonrespiratory medical treatment:
 This subclass is indented under subclass 202.13.  Subject matter including means for medical treatment which does not involve respiration.
  
[List of Patents for class 128 subclass 202.17]    202.17Device usable either as inhaler or means for rubbing medicament on body surface:
 This subclass is indented under subclass 202.16.  Subject matter including a means usable either for inhaling breathed gas (usually mixed with a medicament) or for rubbing medicament on a body surface.
  
[List of Patents for class 128 subclass 202.18]    202.18Pillow or other support exclusively for head:
 This subclass is indented under subclass 202.13.  Subject matter including a pillow or other support exclusively for the head, e.g., a pillow provided with means for releasing a treating agent into air breathed by a person using the pillow.
  
[List of Patents for class 128 subclass 202.19]    202.19Garment:
 This subclass is indented under subclass 202.13.  Subject matter including an item of clothing.
  
[List of Patents for class 128 subclass 202.21]    202.21Smoking device simulator:
 This subclass is indented under subclass 200.24.  Subject matter including structure simulating a smoking device.

SEE OR SEARCH THIS CLASS, SUBCLASS:

203.12+,for specific means for mixing treating agent with breather gas.

SEE OR SEARCH CLASS:

131Tobacco,   subclasses 171+ for smoking devices.
  
[List of Patents for class 128 subclass 202.22]    202.22Means for indicating improper condition of apparatus:
 This subclass is indented under subclass 200.24.  Subject matter for indicating an improper operating condition of the apparatus.
  
[List of Patents for class 128 subclass 202.23]    202.23Means for preventing electric shock or arcing:
 This subclass is indented under subclass 200.24.  Subject matter including means for preventing electric shock or arcing.
  
[List of Patents for class 128 subclass 202.24]    202.24Means for protecting user from pressure wave or flame resulting from gas ignition:
 This subclass is indented under subclass 200.24.  Subject matter for protecting a patient from a pressure wave or a flame resulting from gas ignition.

SEE OR SEARCH CLASS:

48Gas: Heating and Illuminating,   subclass 192 for similar safety devices.
222Dispensing,   subclass 189.01 for dispensing means having a flame arrester.
  
[List of Patents for class 128 subclass 202.25]    202.25Ozone or ion generation:
 This subclass is indented under subclass 200.24.  Subject matter including means for producing ozone or ions for inclusion in breathed gas.

SEE OR SEARCH THIS CLASS, SUBCLASS:

207.27,for devices, other than respiration devices, for applying ozone to the body.

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422Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing,   subclasses 186.07+ for devices producing ozone by electrostatic field or electrical discharge.
  
[List of Patents for class 128 subclass 202.26]    202.26Gas produced by electrolysis or chemical reaction:
 This subclass is indented under subclass 200.24.  Subject matter including means for producing the respiratory gas by electrolysis or by chemical reaction.

SEE OR SEARCH CLASS:

422Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing,   subclasses 120+ for devices for chemically purifying and generating respiratory gas.
423Chemistry of Inorganic Compounds,   subclasses 579+ for oxygen generating chemicals.
  
[List of Patents for class 128 subclass 202.27]    202.27Means for quickly connecting or disconnecting apparatus components:
 This subclass is indented under subclass 200.24.  Subject matter including means for quickly joining or releasing apparatus components.

SEE OR SEARCH CLASS:

285Pipe Joints or Couplings,   appropriate subclassesfor quick release-type pipe joints or couplings.
439Electrical Connectors,   subclasses 190+ for electrical connectors with fluid passageways.
  
[List of Patents for class 128 subclass 202.28]    202.28Means using rescuer’s breath for supplying respiratory gas to another person:
 This subclass is indented under subclass 200.24.  Methods and apparatus comprising a means using one person’s breath to effect flow of breathable gas into another person"s lungs.
(1) Note. Under this subclass, a rescuer"s breath may enter the lungs of another person in need of resuscitation, or may be used to force atmospheric air or other breathable gas into such person.
  
[List of Patents for class 128 subclass 202.29]    202.29Movable wall separating breath of rescuer and victim:
 This subclass is indented under subclass 202.28.  Subject matter including a movable wall preventing the breath of one person from reaching the lungs of other person, generally for the purpose of preventing cross-contamination.

SEE OR SEARCH THIS CLASS, SUBCLASS:

909,for means for preventing patient cross-contamination.
  
[List of Patents for class 128 subclass 203.11]    203.11Valved:
 This subclass is indented under subclass 202.28.  Subject matter including valve means.
  
[List of Patents for class 128 subclass 203.12]    203.12Means for mixing treating agent with respiratory gas:
 This subclass is indented under subclass 200.24.  Subject matter including means for mixing a treating agent with gas breathed by a living thing.
(1) Note. A mere chamber, such as the interior of a face mask, with separate means supplying a treating agent and a respiratory gas thereto, is considered a means for mixing under this subclass.
(2) Note. Under this subclass, substances other than oxygen or atmospheric air (e.g., helium, carbon-dioxide, nitrogen, anesthetic, water vapor, etc.) are considered treating agents, with the exception that CO2 or nitrogen exhaled and then rebreathed with additional O2 or air are not considered treating agents.

SEE OR SEARCH THIS CLASS, SUBCLASS:

200.14+,for atomizers or sprayers.
518,for methods of mixing the therapeutic agent with a delivery compound, either gas or liquid.
  
[List of Patents for class 128 subclass 203.13]    203.13Means for supplying anesthetic under patient’s control:
 This subclass is indented under subclass 203.12.  Subject matter including means for supplying anesthetic under a patient’s control.
(1) Note. A patent is placed in this subclass only when disclosed as having a means (e.g., a valve or regulator, etc.) operated by the patient’s hand or other body member to control his supply of anesthetic gas. Devices merely responsive to a patient’s breathing, for example, are found elsewhere.
  
[List of Patents for class 128 subclass 203.14]    203.14Control means responsive to condition other than user"s airway pressure:
 This subclass is indented under subclass 203.12.  Subject matter including a control means responsive to a condition other than the patient’s airway pressure.
  
[List of Patents for class 128 subclass 203.15]    203.15Particulate treating agent carried by respiratory gas:
 This subclass is indented under subclass 203.12.  Subject matter wherein a particulate treating agent is carried by the respiratory gas.
  
[List of Patents for class 128 subclass 203.16]    203.16Means for mixing respiratory gas with water vapor and another treating agent:
 This subclass is indented under subclass 203.12.  Subject matter including a means for mixing the respiratory gas with water vapor and another treating agent.
  
[List of Patents for class 128 subclass 203.17]    203.17Electrically heated means producing water vapor:
 This subclass is indented under subclass 203.16.  Subject matter including an electrically heated means producing water vapor.
  
[List of Patents for class 128 subclass 203.18]    203.18Means for mixing treating agent with oral exhalation and directing mixture into nasal passage:
 This subclass is indented under subclass 203.12.  Subject matter including means for mixing treating agent with gas exhaled from the mouth and directing the mixture into a nasal passage.
  
[List of Patents for class 128 subclass 203.19]    203.19Means for controlling gravity flow of treating agent from holder:
 This subclass is indented under subclass 203.12.  Subject matter including a means for controlling gravity flow of a treating agent from a holder.
  
[List of Patents for class 128 subclass 203.21]    203.21Means broken or pierced to supply treating agent:
 This subclass is indented under subclass 203.12.  Subject matter including a means that is broken or pierced to supply a treating agent, e.g., a glass container easily broken to release an anesthetic therefrom.
  
[List of Patents for class 128 subclass 203.22]    203.22Means for supplying, or permitting inhalation of, separate streams of treating agent/respiratory gas mixture through nasal passages:
 This subclass is indented under subclass 203.12.  Subject matter including means for supplying, or permitting inhalation of, separate streams of treating agent/respiratory gas mixture through air passage of the nose.
(1) Note. Methods and apparatus in this subclass usually include a pair of nozzles or treating agent holders which are respectively inserted into the nasal passages.

SEE OR SEARCH THIS CLASS, SUBCLASS:

207.18,for devices including a respiratory gas supply means entering a nasal passage with no means for mixing a treating agent with the respiratory gas.
  
[List of Patents for class 128 subclass 203.23]    203.23Pocket-type draw tube having discharge aperture for air/treating agent mixture at end thereof:
 This subclass is indented under subclass 203.12.  Subject matter comprising a tube having a discharge aperture for a mixture of air and treating agent at one end thereof, the tube being of such size that it can be conveniently carried in a pocket of a garment and air being sucked through the tube by the user.
  
[List of Patents for class 128 subclass 203.24]    203.24With gas flow control means other than pivotal or removable closure:
 This subclass is indented under subclass 203.23.  Subject matter including a gas flow control means other than a pivotal or removable closure.
  
[List of Patents for class 128 subclass 203.25]    203.25Means for varying treating agent/respiratory gas ratio:
 This subclass is indented under subclass 203.12.  Subject matter including a means for varying the amount of treating agent added to respiratory gas.
  
[List of Patents for class 128 subclass 203.26]    203.26Means for heating treating agent, respiratory gas, or mixture thereof:
 This subclass is indented under subclass 203.12.  Subject matter including a means for heating the treating agent, the respiratory gas, or a mixture thereof.
  
[List of Patents for class 128 subclass 203.27]    203.27Electric:
 This subclass is indented under subclass 203.26.  Subject matter including an electric heating means.
  
[List of Patents for class 128 subclass 203.28]    203.28Including expandable bag, bellows, or squeeze bulb:
 This subclass is indented under subclass 203.12.  Subject matter including an expandable bag, bellows, or a resilient squeeze bulb.
  
[List of Patents for class 128 subclass 203.29]    203.29Including face mask covering nose and mouth:
 This subclass is indented under subclass 203.12.  Subject matter including a face mask covering the nose and mouth.
(1) Note. See subclass 205.25 for the definition of a face mask.
  
[List of Patents for class 128 subclass 204.11]    204.11Treating agent holder solely supported by head:
 This subclass is indented under subclass 203.12.  Subject matter including a treating agent holder solely supported by the user’s head.
  
[List of Patents for class 128 subclass 204.12]    204.12Holder solely supported by nose:
 This subclass is indented under subclass 204.11.  Subject matter wherein the holder is supported by the user’s nose.
  
[List of Patents for class 128 subclass 204.13]    204.13Treating agent evaporated from extended surface absorbent (e.g., sponge, fibrous wick, screen, etc.):
 This subclass is indented under subclass 203.12.  Subject matter wherein the treating agent is evaporated from an absorbent having a large surface area.

SEE OR SEARCH THIS CLASS, SUBCLASS:

202.21,for smoking device simulators with extended surface absorbents.
  
[List of Patents for class 128 subclass 204.14]    204.14Respiratory gas passed over surface of liquid treating agent in reservoir:
 This subclass is indented under subclass 203.12.  Subject matter wherein the respiratory gas is passed over the surface of liquid treating agent in a reservoir.

SEE OR SEARCH THIS CLASS, SUBCLASS:

200.11,for means for passing the respiratory gas through a body of liquid before inhalation.
  
[List of Patents for class 128 subclass 204.15]    204.15Means for cooling respiratory gas or respiration device:
 This subclass is indented under subclass 200.24.  Subject matter including a means for cooling respiration gas or the device supplying such gas.
  
[List of Patents for class 128 subclass 204.16]    204.16Substance removed from respiratory gas by cooling:
 This subclass is indented under subclass 204.15.  Subject matter wherein a substance is removed from the respiratory gas by cooling the latter.
(1) Note. The term "respiratory gas" includes inhaled or exhaled gas.

SEE OR SEARCH THIS CLASS, SUBCLASS:

205.12,and 205.27+, for other means for removing a substance from respiratory gas.

SEE OR SEARCH CLASS:

96Gas Separation: Apparatus,   for apparatus for gas separation with cooling means.
165Heat Exchange,   for apparatus where only indirect heat exchange is involved.
  
[List of Patents for class 128 subclass 204.17]    204.17Means for heating respiratory gas or respiration device:
 This subclass is indented under subclass 200.24.  Subject matter including a means for heating respiratory gas or the device supplying such gas.
  
[List of Patents for class 128 subclass 204.18]    204.18Means for supplying respiratory gas under positive pressure:
 This subclass is indented under subclass 200.24.  Subject matter including a means for supplying a breathed gas to a living thing under pressure greater than ambient pressure.
(1) Note. A patent is placed in this subclass, or in an indent thereunder, even when the only claimed gas supply means is an expandable bag, bellows, or the like, on the ground that such a means holds gas under greater than ambient pressure when it is expanded against ambient pressure, as for example, when gas is exhaled by a person into the means and expands it.
  
[List of Patents for class 128 subclass 204.19]    204.19Permanent magnet included in gas flow control means:
 This subclass is indented under subclass 204.18.  Subject matter wherein a gas flow control means includes a permanent magnet.
  
[List of Patents for class 128 subclass 204.21]    204.21Electric control means:
 This subclass is indented under subclass 204.18.  Subject matter including an electric means for controlling operation of a respiration device.
  
[List of Patents for class 128 subclass 204.22]    204.22Means for sensing partial pressure, or amount, of component in gas mixture:
 This subclass is indented under subclass 204.21.  Subject matter including a means for sensing the partial pressure, or amount, of a component in a gas mixture.

SEE OR SEARCH CLASS:

73Measuring and Testing,   subclasses 23+ for other gas analysis devices.
422Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing,   subclasses 83+ for gas analysis apparatus, per se.
  
[List of Patents for class 128 subclass 204.23]    204.23Means for sensing condition of user"s body:
 This subclass is indented under subclass 204.21.  Subject matter including a means for sensing a condition of the body of the living thing receiving the respiratory gas.
  
[List of Patents for class 128 subclass 204.24]    204.24Fluidic control device utilizing coanda effect or jet impingement to alter fluid flow:
 This subclass is indented under subclass 204.18.  Subject matter including a fluidic control device utilizing the "Coanda" effect or jet impingement to alter fluid flow.

SEE OR SEARCH CLASS:

137Fluid Handling,   subclasses 803+ for fluidic devices, per se.
  
[List of Patents for class 128 subclass 204.25]    204.25Gas stream passed through jet nozzle or venturi passage:
 This subclass is indented under subclass 204.18.  Subject matter wherein a gas stream is passed through a jet nozzle or venturi passage.
  
[List of Patents for class 128 subclass 204.26]    204.26Gas supply means responsive to breathing:
 This subclass is indented under subclass 204.18.  Subject matter wherein the gas supply means is responsive to the user’s breathing.
  
[List of Patents for class 128 subclass 204.27]    204.27Snap action toggle included in control mechanism:
 This subclass is indented under subclass 204.26.  Subject matter including a snap-action toggle in the gas supply control mechanism.
  
[List of Patents for class 128 subclass 204.28]    204.28Bag or bellows included in control mechanism:
 This subclass is indented under subclass 204.26.  Subject matter including a bag or bellows in the gas supply control mechanism.
  
[List of Patents for class 128 subclass 204.29]    204.29Control means responsive to variation in ambient pressure:
 This subclass is indented under subclass 204.18.  Subject matter including control means responsive to a variation in the ambient pressure.
  
[List of Patents for class 128 subclass 205.11]    205.11Means for varying air/oxygen ratio:
 This subclass is indented under subclass 204.18.  Subject matter including a means for varying the amount of oxygen added to air breathed by the user.
  
[List of Patents for class 128 subclass 205.12]    205.12Means for removing substance from respiratory gas:
 This subclass is indented under subclass 204.18.  Subject matter including means for removing a substance from gas breathed by a living thing.
(1) Note. The term "respiratory gas" includes inhaled or exhaled gas.

SEE OR SEARCH THIS CLASS, SUBCLASS:

204.16,for devices for removing a substance from respiratory gas by cooling.
205.27+,for other means for removing a substance from respiratory gas.

SEE OR SEARCH CLASS:

96Gas Separation: Apparatus,   appropriate subclassesfor apparatus for gas separation, per se.
  
[List of Patents for class 128 subclass 205.13]    205.13Respiratory gas supplied from expandable bag, bellows, or squeeze bulb:
 This subclass is indented under subclass 204.18.  Subject matter wherein respiratory gas is supplied from an expandable bag, bellows, or squeeze bulb.
(1) Note. Included here as a bellows is a piston movable within a cylinder and a flexible tube one end of which is attached to the piston and the other end of which is attached to the cylinder, thus providing a seal between the upper and lower portions of the cylinder.
  
[List of Patents for class 128 subclass 205.14]    205.14Means for adjusting gas volume delivered to user from bag, bellows, or bulb during inflation-deflation cycle:
 This subclass is indented under subclass 205.13.  Subject matter including means for adjusting the volume of respiratory gas supplied to the user from the bag, bellows, or bulb during the inflation-deflation cycle of the latter.
  
[List of Patents for class 128 subclass 205.15]    205.15Held in pressurizable housing:
 This subclass is indented under subclass 205.13.  Subject matter wherein the bag, bellows, or squeeze bulb is held in a pressurizable housing.
  
[List of Patents for class 128 subclass 205.16]    205.16Biased to contracted or expanded position by mechanical means (e.g., weight, spring, etc.):
 This subclass is indented under subclass 205.13.  Subject matter where in the bag, bellows, or squeeze bulb is urged to a contracted or expanded position by a mechanical means.
  
[List of Patents for class 128 subclass 205.17]    205.17Rebreathing bag or bellows:
 This subclass is indented under subclass 205.13.  Subject matter wherein an expandable bag or bellows enables the user to rebreathe a portion of the exhaled gas.
(1) Note. A rebreathing bag, even when claimed alone, is placed under subclass 205.17 on the basis that, in use, the fully expanded rebreathing bag holds exhaled gases under greater than ambient pressure. Therefor the bag is, at least initially, a means for supplying breathed gas under positive pressure.
  
[List of Patents for class 128 subclass 205.18]    205.18Gas supplied by piston pump:
 This subclass is indented under subclass 204.18.  Subject matter wherein the respiratory gas is supplied by a pump comprising a piston movable within a cylinder.
  
[List of Patents for class 128 subclass 205.19]    205.19Suction means for assisting exhalation:
 This subclass is indented under subclass 204.18.  Subject matter including a suction means for assisting exhalation.
  
[List of Patents for class 128 subclass 205.21]    205.21Means broken or pierced to supply gas:
 This subclass is indented under subclass 204.18.  Subject matter including a means which is broken or pierced to supply the breathed gas.
  
[List of Patents for class 128 subclass 205.22]    205.22Gas container supported on body:
 This subclass is indented under subclass 204.18.  Subject matter wherein a container for respiratory gas is supported on the user’s body.
  
[List of Patents for class 128 subclass 205.23]    205.23Indicator structure:
 This subclass is indented under subclass 204.18.  Subject matter including structure for indicating something about a condition of the respiratory gas or the respiration device supplying such gas.
(1) Note. A patent is placed as an original in this subclass only if it claims structural details of an indicator, (i.e., a mere nominal recitation of an indicator is insufficient to place a patent here).
  
[List of Patents for class 128 subclass 205.24]    205.24Valve, or valve control, structure:
 This subclass is indented under subclass 204.18.  Subject matter including valve, or valve control, structure.
(1) Note. A patent is placed as an original in this subclass only if it claims structural details of a valve, (i.e., a mere nominal recitation of a valve is insufficient to place patent here).
  
[List of Patents for class 128 subclass 205.25]    205.25Face mask covering a breathing passage:
 This subclass is indented under subclass 204.18.  Subject matter including a wall-like structure covering a breathing passage plus a portion of the face.
  
[List of Patents for class 128 subclass 205.26]    205.26Atmosphere enclosure (e.g., oxygen tent, hyperbaric chamber for pressurizing whole body, etc.):
 This subclass is indented under subclass 204.18.  Subject matter including means enclosing a portion (e.g., the head) or all of the user’s body and providing a breathable atmosphere.
(1) Note. Included in this subclass are devices intended merely for pressurization of the whole body, with no disclosure of a specific breathing apparatus. Since all such devices which enclose the entire body for an extended period of time must supply a breathable atmosphere, they are properly placed in this subclass.

SEE OR SEARCH THIS CLASS, SUBCLASS:

202.12,for body chambers applying less than atmospheric pressure to the body.

SEE OR SEARCH CLASS:

135Tent, Canopy, Umbrella, or Cane,   subclasses 87+ , for portable shelters of general utility.
  
[List of Patents for class 128 subclass 205.27]    205.27Means for removing substance from respiratory gas:
 This subclass is indented under subclass 200.24.  Subject matter including means for removing a material from respiratory gas.
(1) Note. The term "respiratory gas" in this subclass includes both inhaled and exhaled gas. Therefor, devices removing a substance from either inhaled or exhaled gas are classified here.

SEE OR SEARCH THIS CLASS, SUBCLASS:

204.16,for devices for removing a substance from respiratory gas by cooling.
205.12,for other devices for removing a substance from respiratory gas.

SEE OR SEARCH CLASS:

96Gas Separation: Apparatus,   appropriate subclassesfor apparatus for gas separation, per se.
  
[List of Patents for class 128 subclass 205.28]    205.28Carbon dioxide:
 This subclass is indented under subclass 205.27.  Subject matter for removing carbon dioxide from the respiratory gas.
  
[List of Patents for class 128 subclass 205.29]    205.29Particulate filtering:
 This subclass is indented under subclass 205.27.  Subject matter for filtering solid particles from respiratory gas.
  
[List of Patents for class 128 subclass 206.11]    206.11Including means inserted in nasal passage:
 This subclass is indented under subclass 205.29.  Subject matter including a means inserted into an air passage of the nose.
  
[List of Patents for class 128 subclass 206.12]    206.12Face mask covering a breathing passage:
 This subclass is indented under subclass 205.29.  Subject matter including a wall-like structure covering a breathing passage plus a portion of the face.
  
[List of Patents for class 128 subclass 206.13]    206.13Mask attached to ear:
 This subclass is indented under subclass 206.12.  Subject matter wherein the mask is attached to an ear of the user.
  
[List of Patents for class 128 subclass 206.14]    206.14Mask adhesively attached to face:
 This subclass is indented under subclass 206.12.  Subject matter wherein the mask is secured to the user’s face by means of adhesive.
  
[List of Patents for class 128 subclass 206.15]    206.15With gas flow control valve:
 This subclass is indented under subclass 206.12.  Subject matter including a gas flow control valve.
  
[List of Patents for class 128 subclass 206.16]    206.16With frame, shaping means, reinforcement, or filter formed of wire:
 This subclass is indented under subclass 206.12.  Subject matter including wire used as a filter (e.g., wire mesh through which air passes before it is inhaled, etc.) or as a frame, shaping means, or reinforcement for the face mask.
  
[List of Patents for class 128 subclass 206.17]    206.17With separate filter encircling element, or housing, securing filter on mask:
 This subclass is indented under subclass 206.12.  Subject matter including a separate filter encircling element, or housing, securing the filter on the mask.
  
[List of Patents for class 128 subclass 206.18]    206.18Covering nose only:
 This subclass is indented under subclass 206.12.  Subject matter wherein the mask overlies the nose only.
  
[List of Patents for class 128 subclass 206.19]    206.19Body of mask, other than viewing means, formed of porous filter material (e.g., surgical mask formed entirely of cloth, etc.):
 This subclass is indented under subclass 206.12.  Subject matter wherein the body of the mask, other than a viewing means, is formed of foraminous filter material.
  
[List of Patents for class 128 subclass 206.21]    206.21Face mask covering a breathing passage:
 This subclass is indented under subclass 200.24.  Subject matter including a wall-like structure covering a breathing passage plus a portion of the face.
  
[List of Patents for class 128 subclass 206.22]    206.22Means for handling liquid (e.g., saliva, breath condensation, etc.) accumulated in mask:
 This subclass is indented under subclass 206.21.  Subject matter including a means for handling liquid accumulated in the mask, e.g., a receptacle formed in the lower portion of the mask to receive liquid.

SEE OR SEARCH THIS CLASS, SUBCLASS:

201.15+,for means for clearing a viewing member of breath condensation.
  
[List of Patents for class 128 subclass 206.23]    206.23Mask/eyepiece sealing structure:
 This subclass is indented under subclass 206.21.  Subject matter including structure for sealing the contact area between a mask and an eyepiece carried thereby.
(1) Note. A patent is placed as an original in this subclass only if it claims structural details of the mask/eyepiece sealing means, (i.e., a mere nominal recitation of a mask/eyepiece sealing means is insufficient to place a patent here).
  
[List of Patents for class 128 subclass 206.24]    206.24Mask/face sealing structure:
 This subclass is indented under subclass 206.21.  Subject matter including structure for sealing the contact area between a mask and the user’s face.
(1) Note. A patent is placed as an original in this subclass only if it claims structural details of the mask/face sealing means, (i.e., a mere nominal recitation of a mask/face sealing means is insufficient to place a patent here).
  
[List of Patents for class 128 subclass 206.25]    206.25Adhesive:
 This subclass is indented under subclass 206.24.  Subject matter wherein the sealing structure includes a material that will cause the mask to stick to the user’s face.

SEE OR SEARCH THIS CLASS, SUBCLASS:

206.14,for a face mask adhesively attached to the user’s face and associated with a means for removing a substance from the respiratory gas.
  
[List of Patents for class 128 subclass 206.26]    206.26Closed air-filled passage adjacent mask edge (e.g., tubular bead, etc.):
 This subclass is indented under subclass 206.24.  Subject matter wherein the sealing structure includes a closed air-filled passage adjacent the mask edge.
  
[List of Patents for class 128 subclass 206.27]    206.27Means holding mask readily accessible for use:
 This subclass is indented under subclass 206.21.  Subject matter including means holding the mask in a position where it can be easily reached by a person for use.
  
[List of Patents for class 128 subclass 206.28]    206.28Covering nose and mouth:
 This subclass is indented under subclass 206.21.  Subject matter wherein the mask overlies the nose and mouth.
  
[List of Patents for class 128 subclass 206.29]    206.29Including means inserted in mouth:
 This subclass is indented under subclass 206.28.  Subject matter including a means held in the user"s mouth.
  
[List of Patents for class 128 subclass 207.11]    207.11Structure of means securing mask to head:
 This subclass is indented under subclass 206.28.  Subject matter including structure of means securing the mask to the head of the user.
(1) Note. A patent is placed here as an original only if structural details of the securing means are claimed, (i.e., a mere nominal recitation of means securing the mask to the head is insufficient to place a patent here).
  
[List of Patents for class 128 subclass 207.12]    207.12Valve for controlling gas flow:
 This subclass is indented under subclass 206.28.  Subject matter including a valve for controlling gas flow.
  
[List of Patents for class 128 subclass 207.13]    207.13Covering nose only:
 This subclass is indented under subclass 206.21.  Subject matter wherein the mask overlies only the nose.
  
[List of Patents for class 128 subclass 207.14]    207.14Respiratory gas supply means enters mouth or tracheotomy incision:
 This subclass is indented under subclass 200.24.  Subject matter wherein the breathed gas supply means is placed in the mouth or a tracheotomy incision.

SEE OR SEARCH THIS CLASS, SUBCLASS:

200.26,for means for inserting or guiding a breathing tube into the body.
202.21,for smoking device simulators where respiratory gas enters the mouth.
514+,for method of introducing respiratory gas through the mouth.
  
[List of Patents for class 128 subclass 207.15]    207.15Breathing passage occluder:
 This subclass is indented under subclass 207.14.  Subject matter including means for closing the user’s esophagus so that only the gas supply means communicates with the user’s lungs.
  
[List of Patents for class 128 subclass 207.16]    207.16Valve for controlling gas flow:
 This subclass is indented under subclass 207.14.  Subject matter including a valve for controlling gas flow.
  
[List of Patents for class 128 subclass 207.17]    207.17Holding strap extending circumferentially of head or neck:
 This subclass is indented under subclass 207.14.  Subject matter wherein a holding strap extends circumferentially of the user’s head or neck.
  
[List of Patents for class 128 subclass 207.18]    207.18Respiratory gas supply means enters nasal passage:
 This subclass is indented under subclass 200.24.  Subject matter wherein the respiratory gas supply means is placed in an air passage of the user’s nose.
  
[List of Patents for class 128 subclass 207.29]    207.29Device for creating a tracheotomy incision:
 This subclass is indented under subclass 207.14.  Subject matter wherein the gas supply means either (a) forms the incision, or (b) has an incision forming device associated therewith to form the incision.
  
[List of Patents for class 128 subclass 830]    830FEMALE REPRODUCTORY TRACT SHIELDS, SUPPORTS, OR BIRTH CONTROL DEVICES (E.G., PESSARIES, CONTRACEPTIVE DEVICES):
 This subclass is indented under the class definition.  Surgery for internal use designed to support, occlude or guard the female reproductory organs (e.g., consisting of uterus, ovarys, fallopian tubes and vagina) including preventing conception or pregnancy from occurring, and also including a means for insertion thereof.
(1) Note. Devices under the generic heading of mechanical birth control devices for females as well as pessary appliances for preventing uterine prolapse are classified herein.
  
[List of Patents for class 128 subclass 831]    831Fallopian occluders:
 This subclass is indented under subclass 830.  Subject matter which functions to close or seal off the slender tubes which connect the uterus with the ovaries to prevent the passage of sperm therein to.
(1) Note. These devices can include clamps, plugs, constrictive rings or shields.
  
[List of Patents for class 128 subclass 832]    832With contraceptive, spermicidal or antifertility agent:
 This subclass is indented under subclass 830.  Subject matter wherein the supporting, occluding or guarding means contain an active agent thereon which functions to change the environmental conditions within the female reproductory tract so as to inhibit or prevent conception.
(1) Note. These agents may act to kill immobilize, block or otherwise prohibit sperms from fertilizing or reaching the egg.
  
[List of Patents for class 128 subclass 833]    833Intrauterine:
 This subclass is indented under subclass 832.  Subject matter wherein the contraceptive, spermicidal or antifertility agent is inserted within the uterus or cervix uteri.
  
[List of Patents for class 128 subclass 834]    834Pessaries:
 This subclass is indented under subclass 830.  Subject matter for internal vaginal use as a support for the uterus against prolapse.
  
[List of Patents for class 128 subclass 835]    835External supporters:
 This subclass is indented under subclass 834.  Subject matter wherein the uterus support means is held in place by a means external to the vagina.
  
[List of Patents for class 128 subclass 836]    836Inflatable:
 This subclass is indented under subclass 834.  Subject matter wherein the uterus support means is distended or expanded by the application of fluid pressure thereto in order to hold itself in place within the vagina.
  
[List of Patents for class 128 subclass 837]    837Diaphragms:
 This subclass is indented under subclass 834.  Subject matter comprising a thin flexible disk of natural or synthetic rubber or similar resilient material which is inserted into the vagina to cover the uterine opening or cervix.
  
[List of Patents for class 128 subclass 838]    838Inserters and removers:
 This subclass is indented under subclass 837.  Subject matter comprising means specifically adapted for placing the diaphragm within or extracting it from the vagina.
  
[List of Patents for class 128 subclass 839]    839Intrauterine:
 This subclass is indented under subclass 834.  Subject matter wherein the uterus support means is inserted within the cervix uteri or the uterus.

SEE OR SEARCH THIS CLASS, SUBCLASS:

833,for intrauterine spermicidal, contraceptive or antifertility agents.
  
[List of Patents for class 128 subclass 840]    840Inserters and removers:
 This subclass is indented under subclass 839.  Subject matter comprising means specifically adapted for placing a uterine support within or extracting it from the uterus.
  
[List of Patents for class 128 subclass 841]    841With cervical cap:
 This subclass is indented under subclass 839.  Subject matter wherein a cup shaped means is specifically shaped to fit against or over the cervix of the uterus.
  
[List of Patents for class 128 subclass 842]    842MALE REPRODUCTORY TRACT SHIELDS OR BIRTH CONTROL DEVICES (E.G., PROPHYLACTICS, VAS DEFERENS VALVES, ETC.):
 This subclass is indented under the class definition.  Surgery for internal or external use which is designed to safe-guard or occlude the male reproductory organs from sexually transmitted disease or for preventing the passage of sperm.
(1) Note. Receptacle devices used to receive the male urethral discharge for collection purposes are classified in Class 604/347+.
  
[List of Patents for class 128 subclass 843]    843Vas occluders (implants, etc.):
 This subclass is indented under subclass 842.  Subject matter wherein an internal device is surgically implanted which blocks, either permanently or temporarily, the passage of male sperm from the reproductory organs.
(1) Note. The devices in this subclass usually take the form of a plug, pinch clamp or a reversible valve.

SEE OR SEARCH THIS CLASS, SUBCLASS:

887,for other body inserted or implanted occluders.

SEE OR SEARCH CLASS:

600Surgery,   subclasses 30 through 32for incontinent occluders.
  
[List of Patents for class 128 subclass 844]    844Condoms:
 This subclass is indented under subclass 842.  Subject matter wherein the external shield or device is a penile sheath usually made of thin, flexible, natural or synthetic rubber material for use during sexual intercourse to prevent disease and to receive male sperm.

SEE OR SEARCH CLASS:

604Surgery,   subclass 349 for male organ worn receptacles for urine collection.
  
[List of Patents for class 128 subclass 845]    845BODY REST, SUPPORTS OR POSITIONERS FOR THERAPEUTIC PURPOSES (E.G., SEXUAL, POSTURAL, HEAD, ETC.):
 This subclass is indented under the class definition.  Surgery which includes a device for holding, situating or resting the body or a portion thereof, during therapeutic activity or treatment.
(1) Note. These devices usually act to merely support, position or stabilize a user rather than restrain, protect or shield.
(2) Note. These devices are not to be confused with the subject matter found in Class 264, subclasses 322+ which relates basically to surgical tables for supporting a patient against the force of gravity.

SEE OR SEARCH THIS CLASS, SUBCLASS:

846,and 869, for shields and restrainers for protecting and immobilizing patients which have a purpose analogous to the devices found in this subclass.

SEE OR SEARCH CLASS:

119Animal Husbandry,   subclasses 712+ for a controlling device which may support or position an animal for a therapeutic or other purpose, particularly subclasses 722+ for a device having a tiltable support for the animal.
  
[List of Patents for class 128 subclass 846]    846BODY PROTECTING OR RESTRAINING DEVICES FOR PATIENTS OR INFANTS (E.G., SHIELDS, IMMOBILIZERS):
 This subclass is indented under the class definition.  Surgery including means to be worn or placed over the body for safeguarding the form injury from objects external to the body or for restraining a medical patient or a body from self injury or from annoying or injuring others.

SEE OR SEARCH CLASS:

2Apparel,   a various subclasses for other body guards that are worn for protection during nonmedical usage.
  
[List of Patents for class 128 subclass 847]    847With fluid supply:
 This subclass is indented under subclass 846.  Subject matter wherein the restraining or protective means has means associated therewith to provide a fluid screen to ventilate or for fluid removal of contaminants.
  
[List of Patents for class 128 subclass 848]    848Antisnoring device:
 This subclass is indented under subclass 846.  Subject matter wherein the protector prevents mouth breathing or breathing through the mouth and nose which generates a noise caused by soft palate vibration while sleeping.
  
[List of Patents for class 128 subclass 849]    849Drapes:
 This subclass is indented under subclass 846.  Subject matter wherein the means placed over a patients body or a portion thereof, is a flexible covering or sheeting placed thereon during a surgical procedure to protect or isolate the particular area of the body being treated.
(1) Note. The protective covering can be made of cloth or other flexible synthetic material, e.g., plastic, and can be reusable or disposable.
  
[List of Patents for class 128 subclass 850]    850Incision or cavity inserted:
 This subclass is indented under subclass 849.  Subject matter wherein the drape is specifically designed to be employed within a natural or surgically made body opening.
  
[List of Patents for class 128 subclass 851]    851With handle or applicator means:
 This subclass is indented under subclass 849.  Subject matter wherein the drape has a means to be held by the hand to grip, apply, place or facilitate spreading the drape on or over the desired area of the body to be protected thereby.
  
[List of Patents for class 128 subclass 852]    852With surgical implement retaining means:
 This subclass is indented under subclass 849.  Subject matter having means to hold or retain surgical instrument or articles on the drape and to prevent slippage of the instruments from the drape during treatment.
  
[List of Patents for class 128 subclass 853]    853Fenestrated:
 This subclass is indented under subclass 849.  Subject matter wherein the drape is provided with a window or opening to permit a line of sight into the surgical area.
  
[List of Patents for class 128 subclass 854]    854With cover (flap):
 This subclass is indented under subclass 853.  Subject matter wherein the window or opening is provided with a removable flap.
  
[List of Patents for class 128 subclass 855]    855Folded or stacked:
 This subclass is indented under subclass 849.  Subject matter wherein the drape is in a bent over or doubled up condition such that one part lies in contact with another part of the same drape or in an orderly pile arranged by layers prior to use in surgery.
  
[List of Patents for class 128 subclass 856]    856Tubular:
 This subclass is indented under subclass 849.  Subject matter wherein the drape is in a cylinder-like shape or sleeve-like configuration usually for fitting around appendages of the body.
  
[List of Patents for class 128 subclass 857]    857Head or face protectors (e.g., lips, ears, etc.):
 This subclass is indented under subclass 846.  Subject matter including shields or guards for protecting head and face areas of the body, including its organs of sight, speech and hearing from injury.
  
[List of Patents for class 128 subclass 858]    858Eye or nose protectors:
 This subclass is indented under subclass 857.  Subject matter wherein the protector is for use in and around the ocular or nasal portions of the head.
  
[List of Patents for class 128 subclass 859]    859Oral cavity protectors:
 This subclass is indented under subclass 857.  Subject matter for use in or affecting protection of the body"s oral cavity.
  
[List of Patents for class 128 subclass 860]    860Tongue:
 This subclass is indented under subclass 859.  Subject matter designed for use in protecting the lingua in the oral cavity.
  
[List of Patents for class 128 subclass 861]    861Teeth protectors (e.g., mouthpieces):
 This subclass is indented under subclass 859.  Subject matter designed for use in protecting the dental and gum area of the oral cavity.
  
[List of Patents for class 128 subclass 862]    862Thermoplastic or thermosetting type:
 This subclass is indented under subclass 861.  Subject matter wherein the dental protector is constructed of plastic material which either deforms under body temperature to fit the individual"s teeth or permanently hardens or solidifies when heated to the shape of an individual"s particular mouth configurations.
  
[List of Patents for class 128 subclass 863]    863Breath or contaminated air deflectors:
 This subclass is indented under subclass 857.  Subject matter having means for preventing one person from breathing into anothers face, or from breathing in contaminated air from another source.
  
[List of Patents for class 128 subclass 864]    864Aural protector (e.g., ear):
 This subclass is indented under subclass 857.  Subject matter having means for protecting the organ of hearing particularly its entrance canal from entrance of foreign matters, injurious sounds or harmful pressure waves.
  
[List of Patents for class 128 subclass 865]    865Inflatable or expandable:
 This subclass is indented under subclass 864.  Subject matter wherein the ear protector means within the ear canal is distended or expanded by the application of fluid pressure to seal said canal or retain the protector within the canal.
  
[List of Patents for class 128 subclass 866]    866External ear or head mounting means:
 This subclass is indented under subclass 864.  Subject matter having an ear protector which is externally mounted on or over the ear usually by a means attached to the head.
  
[List of Patents for class 128 subclass 867]    867With noise or pressure attenuating means (e.g., dampening, filtering, etc.):
 This subclass is indented under subclass 864.  Subject matter including an ear protector having means to prevent injurious sound or a force of air waves from damaging the organ of hearing or means for normalizing pressure within said organ of hearing (e.g., ear cavity).
(1) Note. The means here usually includes noise dampening devices and filters.
  
[List of Patents for class 128 subclass 868]    868Valve means (e.g., diaphragm):
 This subclass is indented under subclass 867.  Subject matter wherein the ear protecting means is a membraneous structure which prevents the entrance of noise into the ear canal.
  
[List of Patents for class 128 subclass 869]    869Restrainers and immobilizers (e.g., strait jackets, etc.):
 This subclass is indented under subclass 846.  Subject matter for preventing a medical patient or baby from being injured or annoying or injuring another.
(1) Note. The subject matter includes devices and techniques for immobilizing the patients or infants body, or portions thereof, as well as merely restraining or limiting movement thereof.

SEE OR SEARCH CLASS:

482Exercise Devices,   particularly subclasses 93+ for a belt or harness accessory used when lifting a weight for exercise and subclass 106 if the weight being lifted is disclosed as a bar bell.
  
[List of Patents for class 128 subclass 870]    870Body type (e.g., backboards):
 This subclass is indented under subclass 869.  Subject matter for restraining or limiting the movement of all of or a greater part of the body, either by securing the body and limbs of the patient or baby to a bed or other support or by securing their arms to their body.
(1) Note. Garments and sleeping bags having means to secure them to a fixed support, as a bed, and bed covers having means secured to the body and to the bed are included in this subclass.

SEE OR SEARCH CLASS:

119Animal Husbandry,   subclasses 712+ for body harness of general application.
  
[List of Patents for class 128 subclass 871]    871Antisupination:
 This subclass is indented under subclass 870.  Subject matter to prevent a person from lying on his or her back.
  
[List of Patents for class 128 subclass 872]    872Crib, blankets, sheets and covers:
 This subclass is indented under subclass 870.  Subject matter wherein the body restrainer is a thick or thin piece of fabric used upon a bed which is anchored to both the bed and patient to restrain said patient.

SEE OR SEARCH CLASS:

5Beds,   subclass 336 for sheet secured to the bed but not the body.
  
[List of Patents for class 128 subclass 873]    873Garment type (e.g., sleeping bags):
 This subclass is indented under subclass 870.  Subject matter wherein the restraining means is a piece of clothing or a large zippered bag into which the patient is placed to anchor the patient to the bed.

SEE OR SEARCH CLASS:

2Apparel,   subclass 69.5 for sleeping bags and baglike garments.
5Beds,   subclass 343 for sleeping bags having bed adjuncts.
  
[List of Patents for class 128 subclass 874]    874Vest or shirt type for upper torso:
 This subclass is indented under subclass 873.  Subject matter wherein the restrainer is a garment, with or without sleeves, for the upper portion of the body usually having an opening for placement on the body.
  
[List of Patents for class 128 subclass 875]    875Harness:
 This subclass is indented under subclass 874.  Subject matter wherein the restraining means for the upper body is a harness or vest constructed of belts.
  
[List of Patents for class 128 subclass 876]    876Belt or strap:
 This subclass is indented under subclass 870.  Subject matter wherein the body restraining means consists of an elongated strip of material with or without securing means or a band in the form of a closed loop or a girdle-like strip or strap.
  
[List of Patents for class 128 subclass 877]    877Intravenous limb restrainers/supports (e.g., armboards, etc.):
 This subclass is indented under subclass 869.  Subject matter wherein the restrainer is an appendage immobilizer, such as an armboard, to prevent injury to a patient during intravenous injections.
  
[List of Patents for class 128 subclass 878]    878Arm or hand:
 This subclass is indented under subclass 869.  Subject matter for use in restraining or limiting movement of a patients or infants arm or hand.
  
[List of Patents for class 128 subclass 879]    879Hand:
 This subclass is indented under subclass 878.  Subject matter for use in restraining, immobilizing or protecting the hand.
  
[List of Patents for class 128 subclass 880]    880Thumb/finger (e.g., antithumb sucking, etc.):
 This subclass is indented under subclass 879.  Subject matter for use in restraining a digit or digits of the hand.
(1) Note. Also included herein are devices for preventing thumb-sucking.
  
[List of Patents for class 128 subclass 881]    881Elbow:
 This subclass is indented under subclass 878.  Subject matter for use in protecting or immobilizing a joint located between the upper arm and the forearm.
  
[List of Patents for class 128 subclass 882]    882Leg or foot:
 This subclass is indented under subclass 869.  Subject matter for use in restraining, immobilizing or protecting the leg or foot.
  
[List of Patents for class 128 subclass 883]    883Sexual restraints:
 This subclass is indented under subclass 869.  Subject matter for preventing nocturnal emissions, masturbation, copulation or other sexual activity or abuse.

SEE OR SEARCH CLASS:

119Animal Husbandry,   particularly subclass 838 for a sexual restraint for a male animal and subclass 854 for a female-carried sexual barrier for an animal.
  
[List of Patents for class 128 subclass 884]    884Intravaginal (e.g., antirape devices):
 This subclass is indented under subclass 883.  Subject matter for use within the vagina to prevent penile penetration thereof.
(1) Note. Included herein are so called "antirape" devices which are placed within the vagina to inflict injury to a rapist.
  
[List of Patents for class 128 subclass 885]    885Incontinent type:
 This subclass is indented under subclass 869.  Subject matter for external use to control urinary dysfunction and protecting against bladder malfunction.

SEE OR SEARCH CLASS:

600Surgery,   subclasses 29+ for body inserted or implanted devices for controlling incontinence.
  
[List of Patents for class 128 subclass 886]    886With detector or alarm:
 This subclass is indented under subclass 885.  Subject matter for controlling urinary restraint by means of a sensor which detects or sounds an alarm thereby warning the patients of the onset of bladder leakage
  
[List of Patents for class 128 subclass 887]    887Nonabsorbent body opening occluders, seals or supporters (e.g., surgical or natural orifice occluders):
 This subclass is indented under subclass 846.  Subject matter; not elsewhere classifiable, for use in closing, sealing or supporting body openings.
(1) Note. Included are nonabsorbent devices such as plugs, expandable seals, valved orifice closures or caps, clamp type occluder devices or insertable support members for piles, etc. These devices can serve to prevent leakage from the body, prevent infection tracking into the body, or support the internal walls of the body opening from prolapsing.
(2) Note. The devices herein can be inserted into natural or surgically constructed body openings.

SEE OR SEARCH THIS CLASS, SUBCLASS:

831,834+, 842+, 864+, and 884, for other body inserted nonabsorbable occluders specifically designed for use in particular areas of the body.

SEE OR SEARCH CLASS:

600Surgery,   subclass 32 for stomach closures.
604Surgery,   subclass 900 for absorbent plugs, e.g., tampons, inserted into a body cavity.
  
[List of Patents for class 128 subclass 888]    888Wound shields (e.g., vaccination):
 This subclass is indented under subclass 846.  Subject matter for use in protecting and preventing injury to recently treated injured surface portions of the body, (e.g., vaccinations, surgical wounds, boils, ulcers and sores).
  
[List of Patents for class 128 subclass 889]    889Chafing shields (e.g., decubitus pads, etc.):
 This subclass is indented under subclass 846.  Subject matter for use in preventing irritation and rubbing of portions of the body including the prevention of irritating wound contact by wound protective bandaging or dressing.
  
[List of Patents for class 128 subclass 890]    890Nipple:
 This subclass is indented under subclass 889.  Subject matter for use in preventing chafing or irritation of the teat portion of the female mammary gland.

SEE OR SEARCH CLASS:

450Foundation Garments,   subclasses 1+ for brassieres.
604Surgery,   subclass 347 for lacteal cups.
  
[List of Patents for class 128 subclass 891]    891Crotch or thigh:
 This subclass is indented under subclass 889.  Subject matter for use in preventing chafing or irritation to the region of an angle formed by junction of two leg extremities of the body or that portion of the body located between hip and knee.
  
[List of Patents for class 128 subclass 892]    892Joint or limb (e.g., foot, elbow, heel, knee, etc.):
 This subclass is indented under subclass 889.  Subject matter having means for preventing chafing or irritation to points of bone articulation or extremities.
(1) Note. These body areas include the foot, elbow, heel, knee, arm, toe, etc.
  
[List of Patents for class 128 subclass 893]    893Foot/toe (e.g., corn, bunion, etc.):
 This subclass is indented under subclass 892.  Subject matter having means for preventing chafing or irritation to the foot or its digits.
(1) Note. Commonly devices herein are referred to as corn or bunion pads.
  
[List of Patents for class 128 subclass 894]    894Padded or cushioned:
 This subclass is indented under subclass 893.  Subject matter wherein the means for preventing chafing is a thin cushion-like mass of soft material or a compressable filling contained in a soft material covering.
  
[List of Patents for class 128 subclass 897]    897MISCELLANEOUS:
 This subclass is indented under the class definition.  Subject matter including surgical appliances, methods of making appliances and method of treatment not classifiable in any of the previous subclasses.

SEE OR SEARCH CLASS:

623Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor,   appropriate subclassesfor artificial body members in general.
  
[List of Patents for class 128 subclass 898]    898Methods:
 This subclass is indented under subclass 897.  Subject matter for miscellaneous processes not elsewhere classifiable.
  
[List of Patents for class 128 subclass 899]    899Devices placed entirely within body and means used therewith (e.g., magnetic implant locator):
 This subclass is indented under subclass 897.  Subject matter including devices not elsewhere classifiable which are placed entirely within the body either through insertion through natural body openings or by surgical implantation and means used therewith such as for example, an implant locator for an implant that has been placed within the body.
  

CROSS-REFERENCE ART COLLECTIONS

[List of Patents for class 128 subclass 900]    900BLOOD PRESSURE RECORDER:
 Apparatus for recording blood pressure.

SEE OR SEARCH CLASS:

235Registers,   appropriate subclasses for registers, per se.
346Recorders,   appropriate subclasses for recorders, per se, particularly subclass 33 .
  
[List of Patents for class 128 subclass 901]    901SUPPRESSION OF NOISE IN ELECTRIC SIGNAL:
 Apparatus provided with means for suppressing extraneous noise in an electric signal.
  
[List of Patents for class 128 subclass 902]    902BIOLOGICAL SIGNAL AMPLIFIER:
 Amplifier for electric signal generated by the body.
  
[List of Patents for class 128 subclass 903]    903RADIO TELEMETRY:
 Transmission of medical information by radio.
  
[List of Patents for class 128 subclass 904]    904TELEPHONE TELEMETRY:
 Transmission of medical information by telephone.
  
[List of Patents for class 128 subclass 905]    905FEEDBACK TO PATIENT OF BIOLOGICAL SIGNAL OTHER THAN BRAIN ELECTRIC SIGNAL:
 Means for bringing to the attention of a patient a signal indicative of some physical condition of his body, other than an electric signal generated by the brain.

SEE OR SEARCH CLASS:

600Surgery,   subclass 545 for a diagnostic testing apparatus which apprises a patient of an electric signal generated by the brain.
  
[List of Patents for class 128 subclass 906]    906MULTIPHASIC DIAGNOSTIC CLINIC:
 A clinic with means for facilitating diagnosis of different physical conditions of a patient.
  
[List of Patents for class 128 subclass 907]    907ACUPUNCTURE:
 Medical treatment effected by puncturing the body at selected points.
  
[List of Patents for class 128 subclass 908]    908PATIENT PROTECTION FROM ELECTRIC SHOCK:
 Equipment for protecting a patient from electrical shock during medical diagnosis or treatment.
  
[List of Patents for class 128 subclass 909]    909BREATHING APPARATUS WITH MEANS FOR PREVENTING PATIENT CROSS-CONTAMINATION:
 Means in a breathing apparatus for protecting a user from contamination from another simultaneous or previous user of the apparatus.
  
[List of Patents for class 128 subclass 910]    910ANESTHESIA GAS SCAVENGING SYSTEM:
 Means for removing escaped anesthesia gas from the vicinity of the patient to a remote location.
  
[List of Patents for class 128 subclass 911]    911UNILIMB INHALATION-EXHALATION BREATHING TUBES:
 Apparatus used in a respiratory device including one tube disposed within another tube, one of which tubes provides an inhalation passageway and the other of which tubes provides an exhalation passageway.
  
[List of Patents for class 128 subclass 912]    912CONNECTIONS AND CLOSURES FOR TUBES DELIVERING FLUIDS TO OR FROM THE BODY:
 Tubular apparatus for transporting fluids to or from the body and including particular joints or closure devices for such apparatus.
  
[List of Patents for class 128 subclass 913]    913BREATHABLE LIQUIDS:
 Liquids which when administered to the lungs will exchange oxygen and carbon dioxide in a manner similar to breathable air.
  
[List of Patents for class 128 subclass 914]    914REBREATHING APPARATUS FOR INCREASING CARBON DIOXIDE CONTENT IN INHALED GAS:
 Breathing systems wherein the system includes an arrangement for rebreathing exhaled gas and which further includes means to increase the carbon dioxide content of such rebreathed gas.
  
[List of Patents for class 128 subclass 915]    915ULTRASOUND MAMMOGRAPHY:
 Subject matter related to ultrasonic diagnostic systems or portions thereof or to procedures for use of such systems or portions for examination of the female breast.
  
[List of Patents for class 128 subclass 916]    916ULTRASOUND 3-D IMAGING:
 Subject matter related to the production of three dimensional images, for example images in perspective, using ultrasound as the data acquisition mode.
  
[List of Patents for class 128 subclass 917]    917BODY FLUID, DEVICES FOR PROTECTION THEREFROM (E.G., AIDS, HEPATITIS, ETC.):
 Subject matter related to protecting a person from infectious diseases carried by the fluids of the body.
  
[List of Patents for class 128 subclass 918]    918Condoms and shields:
 Device or shield made of thin, flexible, natural or synthetic rubber material worn on the body to prevent disease transmission.
  
[List of Patents for class 128 subclass 919]    919Syringe, means to protect user:
 Subject matter related to protect the person using the syringe from the transmission of a body fluid transmitted disease.
  
[List of Patents for class 128 subclass 920]    920COMPUTER ASSISTED MEDICAL DIAGNOSTICS:
 Collection of art wherein a programmable data processing machine is directly utilized to make a decision regarding the nature of a patient’s malady, or for validating the verity of such decision made by a person.
(1) Note. This subclass is not intended to accumulate cross reference patents to a medical diagnostic device wherein a computer is utilized merely for the purpose of data correction or for aiding in the relative placement of patient and medical equipment. Such use of computers generally will be found in the subclass providing for the treatment device or method.
(2) Note. Included herein are cross reference patents which use a computer to prescribe a medical treatment for a malady wherein the decision regarding the nature of the malady is implied and the decision is not ancillary to the operation of a particular treating device, such as a computer controlled pacemaker.

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600Surgery,   subclasses 300+ for diagnostic testing.
  
[List of Patents for class 128 subclass 921]    921Diet management:
 This subclass is indented under subclass 920.  Collection of art wherein the decision is made regarding nutritional intake.
(1) Note. This subclass is intended to collect cross reference patents disclosing apparatus and method for determining proper nutritional intake based on patient data and not mere calorie counters nor recorders.
  
[List of Patents for class 128 subclass 922]    922Including image analysis:
 This subclass is indented under subclass 920.  Collection of art wherein the data processing machine accesses pictorial information of a patient or portion thereof in order to make the decision.
(1) Note. The pictorial information may be from a real time or stored source.

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382Image Analysis,   subclasses 110 and 128+ for image analysis which neither makes nor implies a diagnosis.
  
[List of Patents for class 128 subclass 923]    923By comparison of patient data to other data:
 This subclass is indented under subclass 920.  Collection of art wherein the data processing machine contrasts data obtained from a patient having an unknown malady with data correlating to a known condition in order to make the decision.
  
[List of Patents for class 128 subclass 924]    924Using artificial intelligence:
 This subclass is indented under subclass 923.  Collection of art wherein the data processing machine utilizes a mathematically defined set of rules in order to make the decision.
(1) Note. This subclass is intended to collect cross reference patents disclosing data processing machine or method using a specific algorithm for making a diagnosis.

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706Data Processing: Artificial Intelligence,   for specific types of artificial intelligence used for making a decision other than patient diagnosis, and for artificial intelligence systems, per se.
  
[List of Patents for class 128 subclass 925]    925Neural network:
 This subclass is indented under subclass 920.  Collection of art wherein the data processing machine comprises either plural interconnected processors or a software emulation thereof which combine to process data according to the strengths of their interconnections which are generally determined during a training phase.