Section 1: Computers, Imaging, Electrical, Industrial, Telecom, Medical, Entertainment, Food, Firearms...;
Section 2: Apparel/Textiles, Business Services, Chemistry/Physics Processes-Materials, Construction, Energy, Engines, Homes, Minerals/Metals,Transportation ...
Agriculture & Animal:
Plant husbandry,
Harness,
Harvesters,
Chain, staple, and horseshoe making,
Planting,
Animal husbandry,
Bee culture,
Crop threshing or separating,
Multicellular living organisms and unmodified parts thereof and related processes,
Animal husbandry,
Plants,
Plant protecting and regulating compositions,
Tobacco,
Unearthing plants or buried objects,
Earth working,
Apparel,Fashion,Beauty,Accessories, :
Apparel,
shoe making,
Buckles, buttons, clasps, etc.,
Boots, shoes, and leggings,
Jewelry,
Purses, wallets, and protective covers,
Apparel apparatus,
Perfume compositions,
Apparel and haberdashery,
Travel goods and personal belongings,
Jewelry, symbolic insignia, and ornaments,
Cosmetic products and toilet articles,
Button making,
Sewing,
Needle and pin making,
Trunks and hand-carried luggage,
Foundation garments,
Brushware,
Business Services:
Merchandising,
Education and demonstration,
Coin handling,
Butchering,
Undertaking,
Chemistry, Chemicals and Physics:
Chemistry: physical processes,
Drying and gas or vapor contact with solids,
Chemistry: fertilizers,
Liquid heaters and vaporizers,
Fluid handling,
Adhesive bonding and miscellaneous chemical manufacture,
Lubrication,
Heat exchange,
Distillation: processes, thermolytic,
Distillation: apparatus,
Distillation: processes, separatory,
Chemistry: electrical and wave energy,
Electrolysis: processes, compositions used therein, and methods of preparing the compositions,
Classifying, separating, and assorting solids,
Liquid purification or separation,
Fluid sprinkling, spraying, and diffusing,
Solid material comminution or disintegration,
Chemistry of carbon compounds,
Gas and liquid contact apparatus,
Plastic and nonmetallic article shaping or treating: processes,
Chemical apparatus and process disinfecting, deodorizing, preserving, or sterilizing,
Chemistry of inorganic compounds,
Chemistry: electrical current producing apparatus, product, and process,
Chemistry: molecular biology and microbiology,
Chemistry: analytical and immunological testing,
Colloid systems and wetting agents; subcombinations thereof; processes of,
Chemistry: fischer-tropsch processes; or purification or recovery of products thereof,
Synthetic resins or natural rubbers -- part of the class series,
Chemistry: natural resins or derivatives; peptides or proteins; lignins or reaction products thereof,
Organic compounds -- part of the class -570 series,
Chemistry of hydrocarbon compounds,
Nuclear technology,
Acoustics,
Electrical audio signal processing systems and devices,
Construction & Real Estate:
Bridges,
Static structures (e.g., buildings),
Flexible or portable closure, partition, or panel,
Wells,
Boring or penetrating the earth,
Fences,
Supports: cabinet structure,
Building units and construction elements,
Energy:
Fuel and related compositions,
Gas: heating and illuminating,
Gas separation,
Power plants,
Batteries: thermoelectric and photoelectric,
Radiant energy,
Induced nuclear reactions: processes, systems, and elements,
Heating,
Earth boring, well treating, and oil field chemistry,
Solid anti-friction devices, materials therefor, lubricant or separant compositions for moving solid surfaces, and miscellaneous mineral oil compositions,
Equipment for production, distribution, or transformation of energy,
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Engine/Transmission:
Motors: expansible chamber type,
Expansible chamber devices,
Gas separation: processes,
Gas separation: apparatus,
Internal-combustion engines,
Resilient tires and wheels,
Motors: spring, weight, or animal powered,
Brakes,
Electricity: transmission to vehicles,
Clutches and power-stop control,
Valves and valve actuation,
Combustion,
Marine propulsion,
Endless belt power transmission systems or components,
Planetary gear transmission systems or components,
Friction gear transmission systems or components,
Interrelated power delivery controls, including engine control,
Environment & Waste Management:
Receptacles,
Article dispensing,
Dispensing,
Severing by tearing or breaking,
Deposit and collection receptacles,
Selective cutting (e.g., punching),
Hazardous or toxic waste destruction or containment,
Environmental heating and cooling; fluid handling and sanitary equipment,
Home & Building Tools/Resources:
Baths/closets/sinks,
Beds,
Stoves and furnaces,
Toilet,
Special receptacle or package,
Automatic temperature and humidity regulation,
Heating systems,
Chairs and seats,
Furnishings,
Minerals, Metals & Materials:
Metal working,
Metal deforming,
Specialized metallurgical processes, compositions for use therein, consolidated metal powder compositions, and loose metal particulate mixtures,
Metal tools and implements, making,
Compositions: coating or plastic,
Single-crystal, oriented-crystal, and epitaxy growth processes; non-coating apparatus therefor,
Stone working,
Wireworking,
Coopering,
Metal treatment,
Metal founding,
Mineral oils: apparatus, 
Mineral oils: processes and products,
Advancing material of indeterminate length,
Metal fusion bonding,
Compositions,
Metallurgical apparatus,
Mining or disintegration of hard material,
Coating implements with material supply,
Sheet metal container making,
Material or article handling,
Powder metallurgy processes,
Alloys or metallic compositions,
Compositions: ceramic,
Material or article handling equipment,
Packaging & Paper:
Movable or removable closures,
Package making,
Paper making and fiber liberation,
Package and article carriers,
Envelopes, wrappers, and paperboard boxes,
Sheet-material associating,
Sheet feeding or delivering,
Manufacturing container or tube from paper; or other manufacturing from a sheet or web,
Textile or paper yard goods; sheet material,
Packages and containers for goods,
Printing & Media/Publishing:
Card, picture, or sign exhibiting,
Presses,
Printing,
Type casting,
Typesetting,
Books, strips, and leaves,
Printed matter,
Bookbinding: process and apparatus,
Books, strips, and leaves for manifolding,
Printing and office machinery,
Office supplies; artists` and teachers` materials,
Sales and advertising equipment,
Textiles:
Bleaching and dyeing,
Textiles: fiber preparation,
Textiles: manufacturing,
Textiles: ironing or smoothing,
Textiles: spinning, twisting, and twining,
Textiles: knitting,
Textiles: fluid treating apparatus,
Leather manufactures,
Textiles: braiding, netting, and lace making,
Textiles: weaving,
Wire fabrics and structure,
Fabric (woven, knitted, or nonwoven textile or cloth, etc.),
Transportation:
Railways,
Railway rolling stock,
Ships,
Signals and indicators,
Elevator, industrial lift truck, or stationary lift for vehicle,
Traversing hoists,
Railway draft appliances,
Railways: surface track,
Aeronautics,
Railway switches and signals,
Railway mail delivery,
Motor vehicles,
Land vehicles: animal draft appliances,
Land vehicles,
Railway wheels and axles,
Land vehicles: bodies and tops,
Land vehicles: dumping,
Land vehicles: wheels and axles,
Fluid-pressure and analogous brake systems,
Wheel substitutes for land vehicles,
Road structure, process, or apparatus,
Freight accommodation on freight carrier,
Buoys, rafts, and aquatic devices,
Transportation,
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