Cleaning and liquid contact with solids (Class 134).
Sugar, starch, and carbohydrates (Class 127). Mechanical guns and projectors (Class 124). Internal-combustion engines (Class 123). Liquid heaters and vaporizers (Class 122). Single-crystal, oriented-crystal, and epitaxy growth processes non-coating apparatus therefor (Class 117). Safes, bank protection, or a related device (Class 109). Horizontally supported planar surfaces (Class 108). Compositions: coating or plastic (Class 106). Foods and beverages: apparatus (Class 99). Motors: expansible chamber type (Class 91). Textiles: braiding, netting, and lace making (Class 87). Ammunition and explosive-charge making (Class 86). Metal tools and implements, making (Class 76). Specialized metallurgical processes, compositions for use therein, consolidated metal powder compositions, and loose metal particulate mixtures (Class 75). Machine element or mechanism (Class 74). Textiles: fluid treating apparatus (Class 68). Chain, staple, and horseshoe making (Class 59). Textiles: spinning, twisting, and twining (Class 57). Static structures (e.g., buildings) (Class 52). Abrasive tool making process, material, or composition (Class 51). Movable or removable closures (Class 49). Gas: heating and illuminating (Class 48). Fuel and related compositions (Class 44). Fishing, trapping, and vermin destroying (Class 43). Card, picture, or sign exhibiting (Class 40). Textiles: ironing or smoothing (Class 38). Drying and gas or vapor contact with solids (Class 34). Chemistry: physical processes (Class 23). Miscellaneous hardware (e.g., bushing, carpet fastener, caster, door closer, panel hanger, attachable or adjunct handle, hinge, window sash balance, etc.) (Class 16). Brushing, scrubbing, and general cleaning (Class 15). Bleaching and dyeing fluid treatment and chemical modification of textiles and fibers (Class 8). 
Baths, closets, sinks, and spittoons (Class 4).
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