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 [Search a list of Patent Appplications for class 126]   CLASS 126,STOVES AND FURNACES
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SECTION I - CLASS DEFINITION

This class includes, generally, apparatus for the application of heat. It comprises cooking and heating stoves, hot-air furnaces, and accessories; hot-air radiators and heating drums; open liquid heaters, steaming apparatus, dampers, fireplaces, and stovepipes. It includes the fuel burner when combined with the stove or furnace structure; combinations of a particular stove or furnace structure of the type classified in this class (126) with a closed liquid heater or steam generator; liquid heaters of only the nonpressure type unless they are structurally tied to the stove or furnace or form a necessary part thereof, and grates of general use in stoves, hot-air furnaces, or boiler furnaces.

SECTION II - REFERENCES TO OTHER CLASSES

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44, Fuel and Related Compositions,   subclass 540 for a fuel composition combined with an incombustible carrier, e.g., a torch, etc.
49, Movable or Removable Closures,   appropriate subclasses for closures of the type provided for and see the search notes thereto in section IV of Class 49 for the loci of closures in other classes.
68, Textiles: Fluid Treating Apparatus,   having significant structure for fluid treatment of a textile, subclass 15 for a textile fluid treating machine combined with a tank heater or subclass 222 for an implement to apply steam to a textile.
99, Foods and Beverages: Apparatus,   takes food support means, peculiar to a food, shape, or condition, (e.g., can, jar, bottle, or slice holders, spits, griddles, waffle irons, sandwich grills, article confining or conforming supports), including a mechanism for manipulating food during cooking, other than mere agitation or stirring (e.g., conveying or bodily moving), or including a mechanism for treating food (e.g., basting, compressing, molding, drip, or gravy segregating), and, in any case, irrespective of whether or not a heat, steam, or vapor generator or enclosure is claimed; subclasses 293+ for a steamer or condenser type of beverage infuser, subclass 311 for a gravity feed beverage infuser with force feed fountain type recycling or repercolating supply having an overflow, subclasses 324+ for food cooking apparatus, or subclasses 467+ for apparatus subjecting food to an enclosed modified atmosphere.
110, Furnaces,   for the broad art of combustion of solid or combined solid and fluid fuel.
122, Liquid Heaters and Vaporizers,   for a closed or pressurized liquid heater or vaporizer for other than a stove or furnace.
160, Flexible or Portable Closure, Partition, or Panel,   for devices (1) in the form of panels in which flexible fabrics or other flexible sheet material forms the panel portion, (2) in the form of panel units formed of plural strips, slats or panels interconnected for relative motion (excluding those connected only by a common operator or mounted on a common support), (3) panels in the form of portable partitions or (4) parts (1)-(3) combined with each other or with rigid closures or other rigid panels, even though combined with only those features of the fire place, stove or furnace which pertain to the mounting and for operating of the flexible or portable panels.
219, Electric Heating,   for the generation of heat by electricity, and the utilization of the heat similarly to this class (126) as in fluid, oven, tool, etc., heating wherein there is involved electrical characteristics or structure.
236, Automatic Temperature and Humidity Regulation,   for means to accomplish the function of the class wherein there is not involved structure which forms the basis of classification in this class (126).
237, Heating Systems,   for an apparatus or process of heating an enclosure, subclass 7 for a combined radiator and boiler having automatic control, or subclasses 16-18 for a combined boiler and radiator.
264, Plastic and Nonmetallic Article Shaping or Treating: Processes,   subclass 30 for furnace lining formation or repair and see the notes thereto.
431, Combustion,   appropriate subclass for a residual combustion apparatus or process, per se.
432, Heating,   appropriate subclass for the apparatus or method for the application of heat to materials not specifically provided for in the subclasses of Class 126, or elsewhere.
588, Hazardous or Toxic Waste Destruction or Containment,   subclasses 313 through 320for processes wherein toxic or hazardous waste is burned in a stove or furnace. See cross-reference art collection, subclass 900, for apparatus useful in the destruction of hazardous or toxic waste.

SUBCLASSES

[List of Patents for class 126 subclass 1]    1Cooking:
 This subclass is indented under the unnumbered subclass, STOVES.  Subject matter generally of cast or sheet metal, wire, or rod construction, adapted to culinary heating purposes.

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19.5,for combustion engine heated cooking stoves and ovens.
100,for cooking stoves combined with hot air furnaces.
218,for attachments used on the top of heating stoves adapting such stoves to cooking.
222+,for trash burning cooking stoves.
263.01+,for cooking stoves in which heat is generated by noncombustion chemical reactions.
506,for cooking or oven attachments used in fireplaces.

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99, Foods and Beverages: Apparatus,   subclasses 324+ for mass or machine type cookers and for vessels with heating means, which are particularly adapted to the cooking of foods or the preparation of beverages.
  
[List of Patents for class 126 subclass 2]    2Double fire pot:
 This subclass is indented under subclass 1.  Cooking stoves that have two or more fire pots related to a single structure.

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111,for this structure in a hot air furnace.
  
[List of Patents for class 126 subclass 3]    3Cooking and heating:
 This subclass is indented under subclass 2.  Devices comprising a combined cooking and heating stove.
  
[List of Patents for class 126 subclass 4]    4Combined cooking and heating stove:
 This subclass is indented under subclass 1.  Cooking stoves adapted to heating for purposes other than cooking. In this subclass will be found what are generally known as "parlor cooking stoves".

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3,for such stoves having double fire pots.
100,for hot air furnaces adapted to cooking.
218,for heating stoves having lid or tops or attachments for the lid or top to adapt it for cooking.
  
[List of Patents for class 126 subclass 5]    5Steam or water generators:
 This subclass is indented under subclass 4.  Combined cooking and heating stoves provided with steam or hot water generators for house heating, power, or cooking.

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344through 363.1, for a liquid heater that may include a kettle, a steam generator, stove pipe for use with a stove, a domestic water heater or boiler (e.g., kitchen boiler, range boiler, etc.) for use with a stove or furnace.
  
[List of Patents for class 126 subclass 6]    6Air-heating:
 This subclass is indented under subclass 4.  Combined cooking and heating stoves which have means for heating and circulating a current of air.

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58+,for detail air heating features.
  
[List of Patents for class 126 subclass 7]    7Magazine:
 This subclass is indented under subclass 4.  Combined cooking and heating stoves which contain a magazine or self- feeder.

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10,and see the notes thereunder, for other magazine feeds.
  
[List of Patents for class 126 subclass 8]    8Brick set:
 This subclass is indented under subclass 1.  Subject matter in a masonry setting, permanent in character.
  
[List of Patents for class 126 subclass 9]    9Knockdown or separable:
 This subclass is indented under subclass 1.  Devices structurally adapted to be folded or the several parts separated, so as to allow for its easy transportation from place to place. The stoves in this class are usually termed "portable furnaces".

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25+,59 and 275, for other stoves having knock-down or separable features.
  
[List of Patents for class 126 subclass 10]    10Magazine:
 This subclass is indented under subclass 1.  Devices that are provided with magazines or self-feeding coal devices.

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7,68, 73, 74, 107, and 501, for other stoves having magazine feed.

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110, Furnaces,   subclasses 293+ for magazine fed furnaces.
  
[List of Patents for class 126 subclass 11]    11Portable:
 This subclass is indented under subclass 10.  Subject matter in which the magazine or coal-receptacle is removably placed in the stove-holes and provided with means for feeding the coal to the fire-pot.
  
[List of Patents for class 126 subclass 12]    12Hearths:
 This subclass is indented under subclass 1.  Subject matter relating to hearths and to means for attaching the hearth to the stove.
  
[List of Patents for class 126 subclass 13]    13Fire pot:
 This subclass is indented under subclass 12.  Devices that are provided with fire pots for cooking or broiling purposes.
  
[List of Patents for class 126 subclass 14]    14Broiling attachments:
 This subclass is indented under subclass 1.  Subject matter including attachments for broiling purposes which are inseparable from the stove structure.

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41,for gas stove broilers.

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99, Foods and Beverages: Apparatus,   subclasses 385 , 444, 450, and any indented subclasses for food broiling apparatus.
219, Electric Heating,   subclass 450.1 for an exposed planar support surface for material to be heated (e.g., hot plate, etc.) for contact with food (e.g., grill, griddle, etc.).
  
[List of Patents for class 126 subclass 15]    15Feeding air:
 This subclass is indented under subclass 1.  Subject matter including means for the preliminary heating of air before its introduction into the combustion chamber or flues.

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110, Furnaces,   subclass 201 for a locomotive furnace provided with an air preheater; subclass 254 for a refuse incinerator provided with an air preheater; and subclasses 302+ for other types of solid fuel furnaces provided with an air preheater.
  
[List of Patents for class 126 subclass 16]    16Flue cleaners:
 This subclass is indented under subclass 1.  Subject matter with means for cleaning the flues, also combined scrapers and soot-receptacles applicable to this class of stove.

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280,for forms of soot-receptacles.

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15, Brushing, Scrubbing, and General Cleaning,   appropriate subclasses for a flue cleaner, particularly subclasses 104.066+ for a brush or broom implement; subclasses 104.068+ for a scraper flue implement; subclass 249.1 for a brush or broom implement intended to be left attached (i.e., at work and at rest) to a flue; subclasses 249.2+ for a scraper implement intended to be left attached (i.e., at work and at rest) to a flue.
  
[List of Patents for class 126 subclass 17]    17Smoke pipe-heated:
 This subclass is indented under the unnumbered subclass, Elevated ovens.  Subject matter that have ovens supported by a stove-pipe above the top plate of the stove and heated thereby. In this subclass will be found warming-ovens that are stovepipe heated.
  
[List of Patents for class 126 subclass 18]    18Top plate-supported:
 This subclass is indented under the unnumbered subclass, Elevated ovens.  Subject matter in which an oven is elevated above and supported by the stove-top.
  
[List of Patents for class 126 subclass 19]    19Ovens:
 This subclass is indented under subclass 1.  Subject matter relating to the structure of the chamber used for baking or roasting.

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19.5,for ovens heated by the waste heat of combustion engines.
273+,for various species of ovens as indicated by the subclass titles.

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428, Stock Material or Miscellaneous Articles,   subclasses 606+ for metallic stock material in the form of foil.
  
[List of Patents for class 126 subclass 19.5]    19.5COMBUSTION ENGINE-HEATED COOKING STOVES, OVEN OR HEATING VESSELS:
 This subclass is indented under the class definition.  Subject matter consisting of domestic heating vessels and/or heat exchangers used for heating in the manner of a cooking stove or oven which are heated by the waste heat of a combustion engine as contained in its exhaust products or cooling fluid.

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271.1+,for surfaced heaters, some of which utilize heat from the exhaust or cooling fluid of engines.

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60, Power Plants,   subclasses 320+ for an internal combustion engine in which an exhaust system element is nominal means for heating.
237, Heating Systems,   subclasses 12.1+ for heating systems utilizing the waste heat of power plants.
  
[List of Patents for class 126 subclass 20]    20Steam or hot water:
 This subclass is indented under subclass 19.  Subject matter in which the oven is heated by steam or hot water, either where the steam or hot water surrounds the oven or where the steam enters the oven.

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369through 369.3, for a liquid heating steam chamber for food.
377.1through 392.1, for an open-top liquid heating vessel that may include a lid having a confining, directing, or shielding feature for a liquid or steam used to heat the vessel.
  
[List of Patents for class 126 subclass 20.1]    20.1Plural:
 This subclass is indented under subclass 20.  Devices consisting of two or more compartments each (1) constituting a distinct oven or (2) having separate means of access thereto.
  
[List of Patents for class 126 subclass 20.2]    20.2Selective supply:
 This subclass is indented under subclass 20.1.  Devices in which means are provided to control the supply of heating fluid, at will, to less than all of the ovens.

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369.3,for a steaming chamber for food having selective supply.
  
[List of Patents for class 126 subclass 21]    21Ventilated:
 This subclass is indented under subclass 19.  Subject matter where means are provided for heating a current of air, circulating it through the oven, and usually feeding it to the combustion chamber or flues.
  
[List of Patents for class 126 subclass 22]    22Protector plate:
 This subclass is indented under subclass 19.  Subject matter including devices to be used in the oven for the purpose of protecting articles to be baked therein. Some of these devices are provided with air-moistening means.
  
[List of Patents for class 126 subclass 23]    23Reversible:
 This subclass is indented under subclass 1.  Subject matter that are convertible into a right and left hand stove; also, where the smoke-collar is interchangeable from the back to the top plate, or vice versa.
  
[List of Patents for class 126 subclass 24]    24Ship’s galley:
 This subclass is indented under subclass 1.  Cooking stoves counterbalanced or suspended to maintain their equilibrium.

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114, Ships,   subclasses 188+ for ships furnishings which may include stoves of this type limited to ship board use.
  
[List of Patents for class 126 subclass 25]    25Summer:
 This subclass is indented under subclass 1.  Subject matter that is portable in character, usually employed in outdoor work, and adapted to burn charcoal or light fuel. These stoves are frequently called "braziers".

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9,for other knockdown or portable stoves.
227,230, and 236, for similar devices for heating flat irons or soldering irons respectively.
  
[List of Patents for class 126 subclass 26]    26Detachable fire pot:
 This subclass is indented under subclass 25.  Subject matter comprising fire-pot structures adapted to be supported in and cooperate with the stove-hole of ordinary cooking stoves.
  
[List of Patents for class 126 subclass 27]    27Stove top-supported:
 This subclass is indented under subclass 25.  Subject matter designed to be supported upon the top plate of an ordinary kitchen-stove, with the smoke-outlet in communication with the stove proper through the medium of the stove-lid opening. These devices are frequently termed "portable furnaces".

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26,for field cooking stoves with detachable fire pots.
  
[List of Patents for class 126 subclass 28]    28Stove flue-connected:
 This subclass is indented under subclass 27.  Devices in which the smoke-outlet has direct connection with the stove-pipe or smoke-flue of the stove.
  
[List of Patents for class 126 subclass 29]    29Field:
 This subclass is indented under subclass 25.  Stoves designed to be employed in the open air and are what may be termed "bottomless", the fire being built upon the ground.

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59,for camp heating stoves.

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110, Furnaces,   subclass 239 for stoves to be placed around a stump to burn it.
  
[List of Patents for class 126 subclass 30]    30Supporting frame:
 This subclass is indented under subclass 29.  Devices in the nature of supports and tripods designed to suspend or support cooking utensils over the fire.

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248, Supports,   subclasses 146 through 154for a stationary receptacle stand.
  
[List of Patents for class 126 subclass 31]    31Flue extension:
 This subclass is indented under the unnumbered subclass, Water-heating.  Stoves in which a tank containing water to be heated is placed in an extension-chamber through which the products of combustion pass. This type of stove is generally known as "reservoir cooking-stove".

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364.1,365.1, for a liquid heater and stovepipe.
  
[List of Patents for class 126 subclass 32]    32Spittoon attachments:
 This subclass is indented under subclass 1.  Subject matter in the nature of attachments for spittoons.

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4, Baths, Closets, Sinks, and Spittoons,   subclasses 258+ for spittoons.
  
[List of Patents for class 126 subclass 33]    33Tables, steam-heated:
 This subclass is indented under subclass 1.  Devices that are in the form of shallow chambers provided with means for causing a circulation of steam or hot water therein, whereby the top plates or receptacles placed thereon are heated, e.g., candy-tables, carving-tables, food-warming vessels, and similar devices.

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369through 369.3, for a steam chamber for food.
377.1through 392.1, for an open-top liquid heating vessel that may include a lid having a confining, directing, or shielding feature for a liquid or steam used to heat the vessel.
  
[List of Patents for class 126 subclass 34]    34Water backs:
 This subclass is indented under subclass 1.  Stoves provided with generators, steam or hot-water, located in or adjacent to the combustion-chamber.

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5,for a steam or hot water generator for house heating, power, or cooking.
53,for a fluid fueled cooking stove providing a water back to heat water for a domestic purpose.
361.1through 363.1, for a boiler receiving hot liquid or steam from a stove or furnace (e.g., kitchen boiler, range boiler, etc.).
  
[List of Patents for class 126 subclass 35]    35Safety devices:
 This subclass is indented under subclass 34.  Stoves provided with means for preventing the bursting of the water-back, due to excessive internal pressure as the result of overheating or the freezing of the water.

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122, Liquid Heaters and Vaporizers,   subclasses 504+ for safety devices on steam generators in general.
137, Fluid Handling,   subclasses 59+ for valves controlled by means sensing freezing conditions, subclasses 67+ for valves controlled by a destructible element, and subclasses 455+ for valves responsive to changes in line conditions, particularly subclasses 457 and 468 responsive to a change in thermal condition.
220, Receptacles,   subclasses 366.1 and 367.1+ for vent means in a closure.
  
[List of Patents for class 126 subclass 36]    36Combined coal and gas:
 This subclass is indented under the unnumbered subclass, Liquid or gaseous fuel.  Subject matter comprising combined coal and gas stoves where the gas-stove is a permanent part of the cooking stove or range.
  
[List of Patents for class 126 subclass 37]    37Cabinet:
 This subclass is indented under the unnumbered subclass, Liquid or gaseous fuel.  Subject matter comprising cabinets or inclosing casings that are structurally designed to inclose or conceal gas or liquid-fuel stoves when not in use. The cabinets are usually provided with compartments wherein articles of food and the like may be placed.

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312, Supports: Cabinet Structure,   subclass 236 for cabinets having both storage space and a stove where no structural characteristics of the stove or the control thereof are claimed.
  
[List of Patents for class 126 subclass 38]    38Folding or nesting kit:
 This subclass is indented under the unnumbered subclass, Liquid or gaseous fuel.  Devices adapted to be folded or slipped together and designed as such to contain the heating element and as a rule, the article acted upon by the heating element. These devices are frequently termed "pocket-stoves".
  
[List of Patents for class 126 subclass 39]    39Gas:
 This subclass is indented under the unnumbered subclass, Liquid or gaseous fuel.  Subject matter comprising improvements in the ordinary commercial gas-stove.
  
[List of Patents for class 126 subclass 40]    40Burner stands:
 This subclass is indented under subclass 39.  Devices in the nature of combined burner and stand, that are portable in character, and as such are designed to be placed upon a table or similar article of support. These devices are usually of the "single-burner" variety.
  
[List of Patents for class 126 subclass 41]    41Broilers:
 This subclass is indented under subclass 39.  Devices comprising gas-stove structures with broiling attachments.

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14,for other broiling attachments.

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99, Foods and Beverages: Apparatus,   subclasses 385+ , 444+ and 450 for food broilers designed to treat the food by more or other than mere heating.
  
[List of Patents for class 126 subclass 42]    42Safety attachments:
 This subclass is indented under subclass 39.  Devices that are designed to simultaneously close the valves in branch pipes when the valve in the main gas supply is closed, also valve-locking means that will prevent the accidental opening of the valves.

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351.1,for a fluid fuel burner other than a top-accessible liquid heating vessel and a condition responsive feature.
374.1,for an open-top liquid heating vessel that may include a lid and a condition responsive feature.

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70, Locks,   subclass 178 for valve encasing locks designed to prevent unauthorized operation of the encased valve.
431, Combustion,   subclass 153 for residual combustion apparatus having structure preventing the feeding of gaseous or liquid fuel when the apparatus is in a condition in which operation would be unsafe.
  
[List of Patents for class 126 subclass 43]    43Alcohol:
 This subclass is indented under the unnumbered subclass, Liquid.  Subject matter which employ alcohol burners.
  
[List of Patents for class 126 subclass 44]    44Vapor:
 This subclass is indented under the unnumbered subclass, Liquid.  Subject matter comprising liquid-fuel cooking-stoves of the well known retort vapor-burner type.
  
[List of Patents for class 126 subclass 45]    45Wick:
 This subclass is indented under the unnumbered subclass, Liquid.  Subject matter comprising liquid-fuel cooking-stoves of the wick burner type.
  
[List of Patents for class 126 subclass 46]    46Extension top:
 This subclass is indented under subclass 45.  Liquid-fuel wick-type stoves where the improvement resides in the means for giving the top an enlarged or extended cooking-surface.

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216,for other domestic heaters which burn gas or liquid fuel and have an extended top.
  
[List of Patents for class 126 subclass 47]    47Lamp type:
 This subclass is indented under subclass 45.  Devices where the heater is of the ordinary lamp or illuminating type structure.
  
[List of Patents for class 126 subclass 48]    48Combined top, chimney and burner:
 This subclass is indented under subclass 47.  Devices having a combined top, chimney, and burner. These devices are frequently termed "drums" in the art.
  
[List of Patents for class 126 subclass 49]    49Reservoir supporting top and burner:
 This subclass is indented under subclass 45.  Liquid-fuel wick-stove in which a combined supporting-top and burner are supported in an elevated position from and above the oil-reservoir.
  
[List of Patents for class 126 subclass 50]    50Supporting frame:
 This subclass is indented under the unnumbered subclass, Liquid or gaseous fuel.  Subject matter comprising gas, liquid-fuel, and vapor stove frames, usually of skeleton form, provided with liquid or gaseous fuel heating-burners and designed to support the ordinary kitchen utensils.

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211+,especially subclass 215 for elevated supports for other fluid fuel stoves.
  
[List of Patents for class 126 subclass 51]    51Drip pan or receptacle:
 This subclass is indented under the unnumbered subclass Liquid.  Devices that are in the form of pans or receptacles so attached to liquid or vapor stove supporting frames that they will catch the oil dripping or overflowing from a burner or burners. Means are sometimes provided for conducting the accumulated oil from the pans to a receptacle.
  
[List of Patents for class 126 subclass 52]    52Valve mechanism, article-controlled:
 This subclass is indented under the unnumbered subclass, Liquid or gaseous fuel.  Subject matter burning fluid fuel and having fuel control valves that are opened by the weight of the article to be heated and closed through the medium of a weight or spring.

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234,and 238, for stove shelves which may operate valves.
  
[List of Patents for class 126 subclass 53]    53Water backs:
 This subclass is indented under the unnumbered subclass, Liquid or gaseous fuel.  Subject matter comprising gas or vapor stove structures that are provided with water-backs designed to heat water for domestic purposes.

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34,for a cooking stove having a water back.
39through 51, for an improvement in a gas cooking stove.
44,for a liquid fueled cooking stove of retort vapor-burner type.
361.1through 363.1, for a boiler receiving hot liquid or steam from a stove or furnace (e.g., kitchen boiler, range boiler, etc.).
  
[List of Patents for class 126 subclass 54]    54Combined burner and water back:
 This subclass is indented under subclass 53.  Subject matter in which the burner structures and water-heating means are integral.
  
[List of Patents for class 126 subclass 55]    55Combined base and hot closet:
 This subclass is indented under subclass 1.  Subject matter comprising devices that are designed to support the stove or range from the floor. It is usual to provide the base with what may be termed a warming or hot closet.

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277,and 305, for other platforms and base supports respectively.
  
[List of Patents for class 126 subclass 56]    56Car:
 This subclass is indented under the unnumbered subclass, STOVES.  Subject matter comprising stoves that are specially designed for use on railroad-cars and similar structures.
  
[List of Patents for class 126 subclass 57]    57Protective casings:
 This subclass is indented under subclass 56.  Car-stoves wherein the improvement resides in means to make it safe in case of derailment, collision, or other accident to the car. The means may be an inclosing casing, an automatically-operated closing casing, or automatic means for closing the inlet and outlet openings of the stove.

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544,through 551, for fire screen and guards, per se.
  
[List of Patents for class 126 subclass 58]    58Heating:
 This subclass is indented under the class definition.  Subject matter relating to usually cast or sheet metal, heat generators that are direct-heat radiating.
  
[List of Patents for class 126 subclass 59]    59Camp:
 This subclass is indented under subclass 58.  Heating stoves of the knock-down type, specially designed for tent heating.

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9,for other knock-down stoves.
65+,for other sheet metal stoves.
  
[List of Patents for class 126 subclass 59.5]    59.5Orchard:
 This subclass is indented under subclass 58.  Portable devices for generating heat or smoke for protecting orchards from frost.

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47, Plant Husbandry,   subclass 2 for frost preventing means for plants, not otherwise provided for.
99, Foods and Beverages: Apparatus,   subclasses 467+ for smoke generators combined with food treating apparatus.
110, Furnaces,   appropriate subclasses, where the invention is merely a means for combustion of solid fuel.
431, Combustion,   subclasses 331+ for a pot forming a liquid fuel holding and burning unit not having a stove or heat transfer feature.
  
[List of Patents for class 126 subclass 60]    60Horizontal body:
 This subclass is indented under subclass 58.  Heating stoves having horizontally elongated fire-boxes or combustion-chambers.
  
[List of Patents for class 126 subclass 61]    61Hot air:
 This subclass is indented under subclass 60.  Devices which are provided with means for heating and circulating a current or air.
  
[List of Patents for class 126 subclass 64]    64Panel:
 This subclass is indented under subclass 58.  Heating stoves having walls or earthenware refractory material.

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98,and 119, for related subject matter, involving stove or hot air furnace joints.
  
[List of Patents for class 126 subclass 65]    65Sheet metal:
 This subclass is indented under subclass 58.  Heating stoves the outer walls of which are formed of sheet metal. These stoves are of the wood-burning type, having generally no separate or distinct fire-pot.
  
[List of Patents for class 126 subclass 66]    66Hot air:
 This subclass is indented under subclass 65.  Devices provided with air heating and circulating features.
  
[List of Patents for class 126 subclass 67]    67Hot air:
 This subclass is indented under subclass 58.  Heating stoves which are provided with means for heating and circulating a current of air and are not more specifically classified.

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6,for combined cooking and hot air stoves.
61,for horizontal body hot air stoves.
66,for sheet metal wood burning hot air stoves.
88,through 90, for gas burning hot air stoves.
93,through 97, for liquid fuel burning hot air stoves.
99,through 119, for hot air furnaces and see the notes thereunder to Class 432, Heating.
500,through 555, for hot air fireplaces, especially subclasses 506, 524, and 531, and see the notes thereunder.
  
[List of Patents for class 126 subclass 68]    68Magazine:
 This subclass is indented under subclass 67.  Devices provided with magazines or self-feeders.

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10,for other magazine feeds.
  
[List of Patents for class 126 subclass 69]    69Revertible draft, base-heating:
 This subclass is indented under subclass 67.  Devices provided with means for giving the products a direct or indirect course to the outlet-flue. When an indirect course is employed, it heats the base of the stove.

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74,and 75, for revertible-draft features.
  
[List of Patents for class 126 subclass 70]    70Internal air chamber:
 This subclass is indented under subclass 67.  Devices in which the air heating chamber is located centrally relative to the combustion chamber.

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71,for hot air radiating stoves in which the air heating chamber is a central, vertical tube.
  
[List of Patents for class 126 subclass 71]    71Central air tube:
 This subclass is indented under subclass 67.  Devices in which an air-tube passes vertically and centrally through the heater.

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70,for central chamber hot air radiating stoves.
72,for tubular chamber hot air radiating stoves.
109,for hot air furnaces having tubular air passages.
  
[List of Patents for class 126 subclass 72]    72Tubular air heaters:
 This subclass is indented under subclass 67.  Devices provided with a series of air-tubes which are passed vertically, horizontally, or diagonally through the combustion chamber.

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70,for central chamber hot air radiating stoves.
71,for hot air radiating stoves having central, vertical tubes.
109,for hot air furnaces having tubular air passages.
  
[List of Patents for class 126 subclass 73]    73Magazine:
 This subclass is indented under subclass 58.  Heating stoves that are provided with magazines or self-feeders.

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10,for other magazine feeds.

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110, Furnaces,   subclasses 255+ for a refuse incinerator provided with feeding means; and subclasses 267+ for a furnace provided with fuel feeding means.
  
[List of Patents for class 126 subclass 74]    74Revertible draft, base-heating:
 This subclass is indented under subclass 73.  Devices that are provided with a direct or indirect course to the outlet-flue. When an indirect course is employed, it heats the base of the stove.

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69,and 75, for other revertible draft features.
  
[List of Patents for class 126 subclass 75]    75Revertible draft, base-heating:
 This subclass is indented under subclass 58.  Heating stoves having means to give a direct or an indirect course to the products of combustion. The indirect course causes the heating of the base.

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69,and 74, for other revertible-draft features.
  
[List of Patents for class 126 subclass 76]    76Downdraft:
 This subclass is indented under subclass 58.  Heating stoves in which the draft is downward through the fuel.
  
[List of Patents for class 126 subclass 77]    77Feeding air:
 This subclass is indented under subclass 58.  Heating stoves having means for heating and introducing air to the zone of combustion.

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15,for air feeding cooking stoves.
112,for air feeding means for hot air furnaces.
146,for firepots provided with air feeding means.
163,for grates having air feeding features.
193,for stove doors and windows having air feeding provisions.

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110, Furnaces,   subclass 201 for a locomotive furnace provided with an air preheater; subclass 254 for an incinerator provided with an air preheater; and subclasses 302+ for other types of solid fuel furnaces provided with air preheaters.
  
[List of Patents for class 126 subclass 78]    78Feeding steam:
 This subclass is indented under subclass 58.  Heating stoves having steam feeding devices that are specially applicable and structurally related to such stoves.

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110, Furnaces,   appropriate subclasses for steam and air feeding devices.
  
[List of Patents for class 126 subclass 79]    79Smoke and gas returning:
 This subclass is indented under subclass 58.  Heating-stoves that are provided with means for returning the gases or products of combustion from the smoke-outlet to the combustion-chamber of the stove.

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110, Furnaces,   particularly subclasses 203+ for furnaces having similar means.
362, Illumination,   subclasses 171+ for lanterns in which a portion of the products of combustion is led back to the flame.
  
[List of Patents for class 126 subclass 80]    80Ventilating attachments:
 This subclass is indented under subclass 58.  Heating-stoves that are provided with special ventilating attachments or features.

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21,84, 198, 293, and 316, for stoves having ventilating features.

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454, Ventilation,   particularly subclasses 1+ for other ventilating means associated with heaters.
  
[List of Patents for class 126 subclass 81]    81Stove plates:
 This subclass is indented under subclass 58.  Heating-stoves having ornamental and name plates; and means employed for attaching them to the outer surfaces of stove-bodies.
  
[List of Patents for class 126 subclass 82]    82Adjustable pipe collar:
 This subclass is indented under subclass 58.  Heating-stoves having a back plate carrying the pipe-collar, and capable of variable adjustments relative to the flue-opening.

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315,for adjustable flue collars.
  
[List of Patents for class 126 subclass 83]    83Deflector plate:
 This subclass is indented under subclass 58.  Heating-stoves having retarding plates so formed and arranged as to give the products of combustion a circuitous course to the exit flue.
  
[List of Patents for class 126 subclass 84]    84Combined heating and ventilating:
 This subclass is indented under the unnumbered subclass, Liquid or gaseous fuel.  Heating-stoves of the liquid and gaseous fuel type that are structurally adapted to both heat and ventilate the room in which they are located.

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80,94 and 97, for related subject matter.
  
[List of Patents for class 126 subclass 85]    85Gas:
 This subclass is indented under the unnumbered subclass, Liquid or gaseous fuel.  Heating-stoves of the gaseous fuel type that do not fall under more specific subclasses.
  
[List of Patents for class 126 subclass 86]    86Open front:
 This subclass is indented under subclass 85.  Devices of the open-front type that are adapted for the burning of gaseous fuel.

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97,and 512, for related subject matter.
  
[List of Patents for class 126 subclass 87]    87Asbestos fireback:
 This subclass is indented under subclass 86.  Devices where the back plate or wall is provided with asbestos fiber and adapted to be heated to incandescence.

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400,for heat accumulator structures.
  
[List of Patents for class 126 subclass 88]    88Hot air:
 This subclass is indented under subclass 87.  Devices that are provided with specific air heating features.

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512,for asbestos fire-backs of the liquid or gaseous type for fireplaces.
  
[List of Patents for class 126 subclass 89]    89Hot air:
 This subclass is indented under subclass 86.  Devices that are provided with specific air heating features.
  
[List of Patents for class 126 subclass 90]    90Hot air:
 This subclass is indented under subclass 85.  Devices that are provided with various forms of air heating means.
  
[List of Patents for class 126 subclass 91]    91Radiator type:
 This subclass is indented under subclass 85.  Devices that have the structural form of tubular radiators.

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219, Electric Heating,   subclasses 375 through 378for electrically heated radiators.
  
[List of Patents for class 126 subclass 92]    92Incandescent fire grate:
 This subclass is indented under subclass 85.  Devices that are adapted to receive or hold substances which are heated to incandescence by gas or similar burners. These devices are usually employed in fireplaces or in open-front heaters.

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86+,for related subject matter.

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431, Combustion,   subclasses 326+ for a radiant surface burner and subclasses 347+ for a burner having an incandescing or reflecting component.
  
[List of Patents for class 126 subclass 93]    93Liquid:
 This subclass is indented under the unnumbered subclass, Liquid or gaseous fuel.  Heating stoves that are structurally adapted for the burning of liquid fuel.
  
[List of Patents for class 126 subclass 94]    94Flue-connected:
 This subclass is indented under subclass 93.  Devices that are provided with means for connecting them with chimney or flue openings.

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84,for liquid and gaseous fuel heating stoves having heating and ventilating provisions.
  
[List of Patents for class 126 subclass 95]    95Vapor:
 This subclass is indented under subclass 93.  Devices that are provided with liquid-fuel retort vapor-burners.
  
[List of Patents for class 126 subclass 96]    96Wick:
 This subclass is indented under subclass 93.  Devices that are of the wick type and those that are provided with specific air heating features. These devices are usually termed "lamp-stoves".
  
[List of Patents for class 126 subclass 97]    97Heating and illuminating:
 This subclass is indented under subclass 96.  Devices in which the stove proper is provided with an open front and adapted to receive an illuminating-lamp as the heater.

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86+,294 and 512, for detail stove features.
248,for drum features.
  
[List of Patents for class 126 subclass 98]    98Joints:
 This subclass is indented under subclass 58.  Heating-stoves comprising the structural features of stove joints.

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64,and 119, for similar structures.
  
[List of Patents for class 126 subclass 99]    99HOT-AIR FURNACES:
 This subclass is indented under the class definition.  Subject matter relating to furnaces which heat air in an inclosing case or jacket to be distributed to points remote from the furnace.

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6,for combined cooking and hot air stoves.
67+,for hot air stoves.
500+,for hot air fireplaces.

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432, Heating,   subclasses 222+ for means heating air by mixing it with combustion products, and subclass 219 for a residual apparatus for heating a gaseous or liquid material.
  
[List of Patents for class 126 subclass 100]    100Combined with cooking stove:
 This subclass is indented under subclass 99.  Hot air furnaces that are provided with cooking-stove or oven attachments.
  
[List of Patents for class 126 subclass 101]    101Combined with boiler:
 This subclass is indented under subclass 99.  Hot air furnaces combined with steam, or water heaters, generally known in the art as "hot-air furnaces, steam".
  
[List of Patents for class 126 subclass 102]    102Circular radiating drum:
 This subclass is indented under subclass 99.  Hot air furnaces in which the radiating drum encircles the fire-pot or combustion-chamber.
  
[List of Patents for class 126 subclass 103]    103Downdraft:
 This subclass is indented under subclass 99.  Hot air furnaces in which the products of combustion are caused to pass in a downward direction through the fuel.
  
[List of Patents for class 126 subclass 104]    104Horizontal combustion chamber:
 This subclass is indented under subclass 99.  Hot air furnaces which are provided with horizontal or elongated fire-boxes or combustion-chambers.

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60,61 and 108, for related subject matter.
  
[List of Patents for class 126 subclass 105]    105Hot-air equalizers:
 This subclass is indented under subclass 99.  Hot air furnaces having devices for equally distributing heated air to the several apartments of a building.
  
[List of Patents for class 126 subclass 106]    106Internal air chamber:
 This subclass is indented under subclass 99.  Hot air furnaces in which an air heating chamber is centrally situated as respects the combustion-chamber and provided with passages which connect the chamber with the space formed by the inclosing case or jacket.

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70,71 and 109, for air heating structures.
  
[List of Patents for class 126 subclass 107]    107Magazine:
 This subclass is indented under subclass 99.  Hot air furnaces that are provided with magazines or self-feeders.

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10,for other magazine feeds.

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110, Furnaces,   subclasses 255+ for an incinerator provided with feed means; and subclasses 267+ for other solid fuel furnaces provided with feed means.
  
[List of Patents for class 126 subclass 108]    108Secondary heating chamber horizontally arranged:
 This subclass is indented under subclass 99.  Hot air furnaces in which the radiating devices are located at the rear of the furnace proper and within the air-casing.

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104,for related subject matter.
  
[List of Patents for class 126 subclass 109]    109Tubular air heater:
 This subclass is indented under subclass 99.  Hot air furnaces which have air-tubes passed vertically, horizontally, or diagonally through the combustion-chamber and which communicate with the space formed by the inclosing case or jacket.

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71,72 and 106, for similar air heating arrangements.

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454, Ventilation,   appropriate subclasses for building ventilation, per se.
  
[List of Patents for class 126 subclass 110]    110Compressed air:
 This subclass is indented under subclass 99.  Hot air furnaces for heating air under compression, as distinguished from devices for compressing the air to heat it.
  
[List of Patents for class 126 subclass 111]    111Double fire pot:
 This subclass is indented under subclass 99.  Hot air furnaces that are provided with two or more firepots and structural features by which the firepots are capable of separate or joint use.

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2,for double fire-pot cooking stoves.

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110, Furnaces,   subclasses 208+ for multiple firebox furnaces provided with exhaust gas treatment means; and subclasses 295+ for other types of multiple firebox solid fuel furnaces.
  
[List of Patents for class 126 subclass 112]    112Feeding air:
 This subclass is indented under subclass 99.  Hot air furnaces having devices formed and arranged for heating and introducing air into the combustion-chamber.

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15,77, 78, 146, and 193, for related subject matter.

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110, Furnaces,   subclass 201 for a locomotive type furnace provided with an air preheater; subclass 254 for an incinerator provided with an air preheater; and subclasses 302+ for other types of solid fuel furnaces provided with air preheaters.
  
[List of Patents for class 126 subclass 113]    113Air moisteners:
 This subclass is indented under subclass 99.  Hot air furnaces having a water pan so formed and arranged as to produce vapor which moistens the air heated by the furnace.
  
[List of Patents for class 126 subclass 114]    114Casings:
 This subclass is indented under subclass 99.  Hot air furnaces having an inclosing furnace-casing.

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117,for preliminary air heating devices.
  
[List of Patents for class 126 subclass 115]    115Dust flue:
 This subclass is indented under subclass 99.  Hot air furnaces provided with means for conveying the dust resultant from raking the fire to the smoke-pipe or fire-pot.
  
[List of Patents for class 126 subclass 116]    116Liquid or gaseous fuel:
 This subclass is indented under subclass 99.  Hot-air furnaces in which the heating agent is either a liquid or gaseous fuel burner or combined coal and liquid or gaseous fuel burner. Also included here are attachments independent of the main furnace, but connected thereto, and floor-register attachments.

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454, Ventilation,   subclasses 284+ for register features.
  
[List of Patents for class 126 subclass 117]    117Preliminary air heater:
 This subclass is indented under subclass 99.  Hot air furnaces having devices for heating the air before it is conveyed to the space formed by the surrounding jacket or casing of a furnace.

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114,for hot air furnace casings.
  
[List of Patents for class 126 subclass 118]    118Radiating flanges:
 This subclass is indented under subclass 99.  Hot air furnaces having flanges or pins which are attached to furnace sections and drums for increasing their radiating-surfaces.
  
[List of Patents for class 126 subclass 119]    119Joints:
 This subclass is indented under subclass 99.  Hot air furnaces comprising the structure of the joints of the furnace or casing.

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64,and 98, for joints in heating stoves.
  
[List of Patents for class 126 subclass 144]    144FIRE POTS AND LININGS:
 This subclass is indented under the class definition.  Subject matter relating to firepots and linings.

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152+,for grates.

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110, Furnaces,   subclasses 317+ for solid fuel furnace firebox structure.
  
[List of Patents for class 126 subclass 145]    145Adjustable:
 This subclass is indented under subclass 144.  Subject matter adapted to be adjusted so as to fit stoves of various sizes; includes linings that are provided with breakable grooves.
  
[List of Patents for class 126 subclass 146]    146Feeding air:
 This subclass is indented under subclass 144.  Subject matter provided with air-feeding means.

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15,77 and 112, for similar air feeding means.
  
[List of Patents for class 126 subclass 147]    147Divided:
 This subclass is indented under subclass 144.  Subject matter that is provided with means to divide them or adjust the fuel capacity of the fire-pot.

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25+,for summer cooking stoves.
154,for vertically adjustable grates.
  
[List of Patents for class 126 subclass 148]    148Fire plate:
 This subclass is indented under subclass 144.  Subject matter that is provided with plates to limit or confine the fuel-space, and thereby regulate the combustion.
  
[List of Patents for class 126 subclass 149]    149Horizontal axis:
 This subclass is indented under the unnumbered subclass, Rotary.  Subject matter relating to fire boxes adapted to inclose the fuel, whereby the fire box can be given a complete rotation on a horizontal axis.

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181,for horizontal axis rotary grates.
  
[List of Patents for class 126 subclass 150]    150Vertical axis:
 This subclass is indented under the unnumbered subclass, Rotary.  Subject matter relating to firepots that are provided with means for imparting to the fire-pot a complete rotation on a vertical axis.

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170,for vertical axis oscillatory grates.
  
[List of Patents for class 126 subclass 151]    151Sectional:
 This subclass is indented under subclass 144.  Subject matter composed of sections.

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145,for adjustable firepots.
  
[List of Patents for class 126 subclass 152]    152GRATES:
 This subclass is indented under the class definition.  Subject matter relating to furnace, stove and range grates that do not fall under more specific subclasses, and not specifically classified in other classes. Includes all grate structures, per se, that are of general application to furnaces and stoves.
(1) Note. For grates that are adapted to specific application of the heat of combustion, search should be made in the class including such applications.

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110, Furnaces,   subclasses 267+ for progressive feed grates, and subclass 298 for hollow air-cooled grates.
122, Liquid Heaters and Vaporizers,   subclasses 371+ , and the subclasses referred to in the notes thereunder, for water grates.
241, Solid Material Comminution or Disintegration,   appropriate subclasses, especially subclasses 198.1+ , for similar structures functioning as comminutors but which have no burning charge or fuel supporting function.
  
[List of Patents for class 126 subclass 153]    153Adjustable:
 This subclass is indented under subclass 152.  Devices adapted to fit different-sized firepots.

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144,for fire pots and linings.

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110, Furnaces,   subclass 320 for adjustable fire box furnace structure.
  
[List of Patents for class 126 subclass 154]    154Vertically:
 This subclass is indented under subclass 153.  Devices adapted to vertical adjustment.

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159,for pocket agitating grates.
  
[List of Patents for class 126 subclass 155]    155Agitating:
 This subclass is indented under subclass 152.  Devices adapted to be shaken or agitated for the clearance of ashes.
  
[List of Patents for class 126 subclass 156]    156Alternate ends:
 This subclass is indented under subclass 155.  Devices that are provided with means for imparting vibrating or rocking motion in opposite directions to adjacent grate-bars.
  
[List of Patents for class 126 subclass 157]    157Alternate bar:
 This subclass is indented under subclass 155.  Devices that are constructed with alternate immovable and movable grate-bars and means for imparting vertical motion to the alternate movable bars.

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173,for raking attachments.
  
[List of Patents for class 126 subclass 158]    158Dumping:
 This subclass is indented under subclass 155.  Devices that are provided with dumping means or sections.

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162,for other dumping grates.
  
[List of Patents for class 126 subclass 159]    159Pocket:
 This subclass is indented under subclass 155.  Devices that are provided with means for giving a varying depth to the fuel over the grate-surface. The means employed are usually pockets or depressions in the grate surface.

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154,for vertically adjustable grates.
  
[List of Patents for class 126 subclass 160]    160Closures:
 This subclass is indented under subclass 152.  Devices provided with means for regulating the grate-openings, whereby the draft may be full, reduced, or closed.
  
[List of Patents for class 126 subclass 161]    161Cut-off:
 This subclass is indented under subclass 152.  Devices provided with means closely related to the grate structure for retaining a portion of the fuel in the fire-pot, thus permitting the removal of the bottom portion or ash.

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110, Furnaces,   subclasses 117 and 118 for similar furnace fuel feeders.
  
[List of Patents for class 126 subclass 162]    162Dumping:
 This subclass is indented under subclass 152.  Devices that are provided with special dumping means.

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110, Furnaces,   subclasses 268 through 285for a furnace provided with a movable grate.
  
[List of Patents for class 126 subclass 163]    163Feeding air:
 This subclass is indented under subclass 152.  Devices provided with air feeding features.

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110, Furnaces,   subclasses 182 , 270+ and 288 for similar furnace air feeding structure.
  
[List of Patents for class 126 subclass 166]    166Fuel cut-off:
 This subclass is indented under subclass 152.  Devices that are designed to be passed through or inserted in the fuel above the grate in order to sustain the main body of the fuel, and thus permit the removal of ashes and cinders. These devices are independent of the fuel-support or grate.

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161,for cut off grates.
  
[List of Patents for class 126 subclass 167]    167Grate bar:
 This subclass is indented under subclass 152.  Subject matter relating to the form of the bar. These bars are known as stationary or immovable.

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179,for this structure in a rocking bar grate.
  
[List of Patents for class 126 subclass 168]    168Removable fuel support:
 This subclass is indented under subclass 167.  Devices that are provided with removable fuel-supporting devices.
  
[List of Patents for class 126 subclass 169]    169Operating mechanism:
 This subclass is indented under subclass 152.  Devices designed for the operation or moving of the grates and grate-bar structures in general.

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110, Furnaces,   subclasses 268 through 285for a furnace provided with a movable grate; and subclasses 328-330 for movable grate structure, per se.
  
[List of Patents for class 126 subclass 170]    170Vertical axis:
 This subclass is indented under the unnumbered subclass, OSCILLATORY.  Devices arranged horizontally on a vertical axis and adapted to be given a to-and-fro motion. These structures are sometimes termed "rotary".
  
[List of Patents for class 126 subclass 171]    171Dumping section:
 This subclass is indented under subclass 170.  Devices that are provided with a pivoted dumping section or sections.
  
[List of Patents for class 126 subclass 172]    172Sliding section:
 This subclass is indented under subclass 170.  Devices that are provided with a sliding ash-discharge section.
  
[List of Patents for class 126 subclass 173]    173Raking attachments:
 This subclass is indented under subclass 152.  Subject matter relating to attachments to grates designed to rake and free the grate from ashes and clinkers. As a rule these devices are inseparable from the grate structure.

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48, Gas: Heating and Illuminating,   subclass 85.2 for cupola gas generators with fuel stirrers.
110, Furnaces,   subclass 285 for a solid fuel furnace provided with a raking grate.
  
[List of Patents for class 126 subclass 174]    174Reciprocating:
 This subclass is indented under subclass 152.  Devices designed to be given a horizontal to-and-fro end movement, as distinguished from the oscillatory or rotary type.

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110, Furnaces,   subclasses 281+ for solid fuel furnaces provided with reciprocating grates; and subclass 328 for movable grate structure, per se.
  
[List of Patents for class 126 subclass 175]    175Alternate bar:
 This subclass is indented under subclass 174.  Devices where the alternate bars are given an opposite to-and-fro end movement or where the bars are moved in reverse horizontal direction.
  
[List of Patents for class 126 subclass 176]    176Rocking bar:
 This subclass is indented under subclass 152.  Devices in which the grates and grate bars are horizontally-pivoted and are provided with means for giving them a to-and-fro or rocking motion, but not adapted to be given a complete rotation or revolution.

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110, Furnaces,   subclass 278 for a solid fuel furnace provided with a rocking grate; and subclass 328 for movable grate structure, per se.
  
[List of Patents for class 126 subclass 177]    177Dumping:
 This subclass is indented under subclass 176.  Devices that are provided with dumping means or dumping-sections.
  
[List of Patents for class 126 subclass 178]    178Duplex:
 This subclass is indented under subclass 176.  Devices where different fuel-supporting faces may be employed; includes grates designed for the burning of coal or wood combining coal and wood bearing faces.

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181,for horizontal axis rotary grates.
  
[List of Patents for class 126 subclass 179]    179Grate bar:
 This subclass is indented under subclass 176.  Subject matter relating to the form or character of the rocking bar.

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167+,for other grate bars.

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110, Furnaces,   subclass 278 for a solid fuel furnace provided with a rocking grate; and subclass 328 for movable grate structure, per se.
  
[List of Patents for class 126 subclass 180]    180Removing fuel support:
 This subclass is indented under subclass 179.  Devices provided with removable fuel-bearing faces.
  
[List of Patents for class 126 subclass 181]    181Horizontal axis:
 This subclass is indented under the unnumbered subclass, Rotary.  Devices that are horizontally pivoted and are structurally adapted to be given a complete rotary motion; also, means for imparting this motion.

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176,for rocking bar grates.

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110, Furnaces,   subclass 226 for an incinerator provided with preliminary refuse dryer in the form of a rotary drum; subclass 246 for an incinerator in the form of a rotary drum; and subclass 276 for a solid fuel furnace provided with a horizontal rotary grate.
  
[List of Patents for class 126 subclass 182]    182Vertical axis:
 This subclass is indented under the unnumbered subclass, Rotary.  Devices that are horizontally arranged, mounted upon a vertical pivot, and means for imparting to the grate a full and complete revolution upon its axis or pivot.

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150,for vertical axis rotary fire pots and linings.
170+,for vertical axis oscillatory grates.

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110, Furnaces,   subclass 247 for an incinerator in the form of a vertical axially mounted rotary grate; and subclasses 275 and 277 for a solid fuel furnace provided with a vertically mounted rotary grate.
  
[List of Patents for class 126 subclass 190]    190STOVE DOORS AND WINDOWS:
 This subclass is indented under the class definition.  Subject matter relating to stove doors and windows applicable to heating and cooking stoves.

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49, Movable or Removable Closures,   appropriate subclasses for closures of the type provided for and see the search notes thereto in section IV of Class 49 for the loci of closures in other classes.
110, Furnaces,   subclasses 173+ for furnace doors.
374, Thermal Measuring and Testing,   subclass 149 for stove doors or windows combined with and modified to receive thermometers, and wherein no more of the door or window is claimed than is necessary to provide a locus or support for the thermometer.
  
[List of Patents for class 126 subclass 191]    191Balanced:
 This subclass is indented under subclass 190.  Devices that are provided with weights or springs designed to aid in opening or closing the door; also, to prevent the sudden closing of the door.
  
[List of Patents for class 126 subclass 192]    192Door-operator:
 This subclass is indented under subclass 190.  Devices provided with door opening or closing devices. Devices known in the art as "kicker-latches".

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49, Movable or Removable Closures,   subclasses 324+ for other closure operators.
  
[List of Patents for class 126 subclass 193]    193Feeding air:
 This subclass is indented under subclass 190.  Devices designed to admit a current of air into the combustion chamber above the fuel-level. In some instances the object sought is to prevent the blackening of the transparent door-panel.

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163,for air feeding grates.
  
[List of Patents for class 126 subclass 194]    194Hinges:
 This subclass is indented under subclass 190.  Subject matter relating to hinges that are peculiarly applicable to domestic stoves and furnaces.

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16, Miscellaneous Hardware (e.g., Bushing, Carpet Fastener, Caster, Door Closer, Panel Hanger, Attachable or Adjunct Handle, Hinge, Window Sash Balance, etc.),   subclasses 221 through 392for other hinges.
  
[List of Patents for class 126 subclass 197]    197Combined latch and operator:
 This subclass is indented under the unnumbered subclass, Latches.  Subject matter, including a latch and an operator.
  
[List of Patents for class 126 subclass 198]    198Oven doors, ventilating:
 This subclass is indented under subclass 190.  Devices comprising oven-doors provided with means for ingress and egress of air.

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193,for feeding air features in other doors.
  
[List of Patents for class 126 subclass 200]    200Transparent panel:
 This subclass is indented under subclass 190.  Devices that have a glass or mica panel therein.
(1) Note. This subclass does not include illuminating devices in bakers" ovens and similar devices, or what is known in the art as "peep-holes".

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193,for feeding air-doors. 213, for illuminating stove tops.

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99, Foods and Beverages: Apparatus,   subclass 341 for food cooking apparatus combined with observation means.
220, Receptacles,   subclasses 662 through 665,and see the notes thereto, for structures wherein a transparent panel is mounted in a wall.
362, Illumination,   subclasses 92+ for oven illuminating means.
  
[List of Patents for class 126 subclass 201]    201FENDERS:
 This subclass is indented under the class definition.  Subject matter relating to guards and protectors. Includes stove foot rails or guards.

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298,for fire dogs.
  
[List of Patents for class 126 subclass 204]    204BODY WARMERS:
 This subclass is indented under the class definition.  Subject matter relating to body, hand and foot warmers.

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263.01+,for chemical or lime heaters.

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36, Boots, Shoes, and Leggings,   subclass 2.6 for boots, or shoes having heating means designed to warm the foot.
165, Heat Exchange,   subclass 46 for a flexible envelope or cover type of heat exchanger.
215, Bottles and Jars,   appropriate subclasses, for receptacles of glass, ceramic or similar material for retaining and heating or cooling medium.
219, Electric Heating,   subclass 211 for electrically heated devices for applying heat to the body.
220, Receptacles,   subclass 577 for a rigid heat transfer container.
383, Flexible Bags,   subclass 901 for bags of flexible materials known in the art as hot-water and ice bags.
  
[List of Patents for class 126 subclass 205]    205Bed heaters:
 This subclass is indented under subclass 204.  Body warmers adapted for heating beds, and analogous devices.

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4, Baths, Closets, Sinks, and Spittoons,   subclasses 529+ for vapor and hot air baths which accommodate the user in a recumbent position.
5, Beds,   subclass 284 for bedsteads with heating or cooling means, subclasses 421+ for heating means, and subclass 422 for heating a waterbed mattress.
  
[List of Patents for class 126 subclass 206]    206Composition fuel:
 This subclass is indented under subclass 204.  Body warmers structurally adapted to burn composition fuel, notably what is known in the art as "Japanese punk".
  
[List of Patents for class 126 subclass 207]    207Heated block:
 This subclass is indented under subclass 204.  Body warmers structurally adapted to be heated by a hot blank, such as iron, soapstone, and similar substances.

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246,for dish heaters.
400,for heat accumulator blocks, per se.
  
[List of Patents for class 126 subclass 208]    208Liquid or gaseous fuel:
 This subclass is indented under subclass 204.  Body warmers structurally adapted for the burning of liquid or gaseous fuel.

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122, Liquid Heaters and Vaporizers,   subclass 26 for friction generators.
  
[List of Patents for class 126 subclass 209]    209Combined heater and lantern:
 This subclass is indented under subclass 208.  Devices adapted to be employed both as heater and lantern.
(1) Note. This is a combined subclass, and the detail features of both heater and lantern should be searched for in appropriate classes and subclasses.

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267,for combined lunch bucket and lantern burning liquid or gaseous fuel.
  
[List of Patents for class 126 subclass 210]    210Water heater:
 This subclass is indented under subclass 208.  Devices that are structurally related to or are combined with water heating devices.

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237, Heating Systems,   subclass 12.3 for vehicle heating systems.
  
[List of Patents for class 126 subclass 211]    211STOVE LIDS AND TOPS:
 This subclass is indented under the class definition.  Subject matter relating to improvements on the top plate of stoves.

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227,and 230, for flatiron heaters.
338,for a rotary oven, shelf or rack.

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219, Electric Heating,   subclasses 452.11+ for an exposed planar support surface for material to be heated (e.g., hot plate, etc.) for a particular frame, casing or housing for a heating unit (e.g., range top, stove top, countertop, etc.).
  
[List of Patents for class 126 subclass 212]    212Centers or cross pieces:
 This subclass is indented under subclass 211.  Subject matter relating to improvements on stove centers or cross-pieces, generally employed in cooking-stoves.
  
[List of Patents for class 126 subclass 213]    213Illuminating:
 This subclass is indented under subclass 211.  Subject matter relating to illuminating and heat-reflecting devices placed on or secured to the top portion of a stove.

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200,for stove doors with a transparent panel.
  
[List of Patents for class 126 subclass 214]    214Liquid or gaseous fuel:
 This subclass is indented under subclass 211.  Subject matter which are peculiarly adapted to the burning of liquid or gaseous fuel.
  
[List of Patents for class 126 subclass 215]    215Elevating support:
 This subclass is indented under subclass 214.  Devices designed to be placed on the stove top for supporting the ordinary kitchen utensil or article spaced from the top.

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50,for other utensil supports.
  
[List of Patents for class 126 subclass 216]    216Extension top:
 This subclass is indented under subclass 214.  Subject matter in which the tops are designed to have an enlarged working surface. In most instances they are adapted to utilize the heat from a single burner.

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46,for extension tops on liquid fuel wick-type cooking stoves.
  
[List of Patents for class 126 subclass 217]    217Heating stove:
 This subclass is indented under subclass 211.  Subject matter relating to heating stoves. As a rule they relate to the means for opening or closing the magazine feed-opening.

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335,for door operated drop shelves for stoves.
  
[List of Patents for class 126 subclass 218]    218Cooking attachments:
 This subclass is indented under subclass 217.  Heating-stove tops that are provided with means to adapt them to be employed in cooking.
  
[List of Patents for class 126 subclass 219]    219Ornaments and urns:
 This subclass is indented under subclass 217.  Subject matter pertaining to top ornaments and urns.
  
[List of Patents for class 126 subclass 220]    220Lids:
 This subclass is indented under subclass 211.  Subject matter relating to improvements in the lids.

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227+,and 230, for attachments for heating flatirons.
  
[List of Patents for class 126 subclass 221]    221Stove mats:
 This subclass is indented under subclass 211.  Subject matter relating to mats designed to be placed upon the stove-top, usually formed of asbestos and metal, or asbestos having metal-bound edges.
  
[List of Patents for class 126 subclass 222]    222Cooking stoves:
 This subclass is indented under the unnumbered subclass, TRASH BURNERS.  Subject matter relating to cooking-stoves adapted for the burning of straw, hay, sawdust, and similar material as fuel.

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110, Furnaces,   subclasses 196 and 197 for furnaces employing straw as a fuel, and fuel feeders therefor.
  
[List of Patents for class 126 subclass 223]    223Feeding attachments:
 This subclass is indented under subclass 222.  Subject matter relating to the fuel feeding attachments, usually of magazine form.

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11,for portable coal magazines for cooking stoves.
  
[List of Patents for class 126 subclass 224]    224Domestic-refuse burners:
 This subclass is indented under the unnumbered subclass, TRASH BURNERS.  Subject matter relating to refuse or "garbage" burner attachments structurally related to the cooking or heating stove art.

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11,for portable magazines for cooking stoves.

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110, Furnaces,   subclasses 235+ for a refuse incinerator not structurally related to cooking or heating stoves.
  
[List of Patents for class 126 subclass 225]    225Heating stoves:
 This subclass is indented under the unnumbered subclass, TRASH BURNERS.  Subject matter relating to heating-stoves structurally adapted for the burning of hay, straw, sawdust and similar material.

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110, Furnaces,   subclasses 196 and 197 for furnaces employing straw as a fuel, and fuel feeders therefor.
  
[List of Patents for class 126 subclass 226]    226TOOL HEATERS:
 This subclass is indented under the class definition.  Subject matter designed for the heating of various types of tools.
  
[List of Patents for class 126 subclass 227]    227Flatiron:
 This subclass is indented under subclass 226.  Subject matter specially designed for the heating of flatirons or "sadirons".

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25,for portable cooking stoves.

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38, Textiles: Ironing or Smoothing,   subclasses 74+ for sadirons and flatirons.
  
[List of Patents for class 126 subclass 228]    228Attachments:
 This subclass is indented under subclass 227.  Devices relating to portable or independent heating devices structurally designed to be employed in connection with stove structures.

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211+,for stove lids and tops.
505,for shelves adapted to fireplace grates.
540+,for fireplace grates.
  
[List of Patents for class 126 subclass 229]    229Liquid or gaseous fuel:
 This subclass is indented under subclass 226.  Devices adapted to the burning of gaseous or liquid fuel.
  
[List of Patents for class 126 subclass 230]    230Flatiron:
 This subclass is indented under subclass 229.  Devices specially designed for the heating of flatirons or "sadirons".

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227,for other flatiron heaters.
  
[List of Patents for class 126 subclass 231]    231Gas burner attachments:
 This subclass is indented under subclass 229.  Devices designed to be attached to gas-brackets. This subclass includes mainly curling iron heaters.

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235,for tool heating devices adapted to be attached to lamps.
  
[List of Patents for class 126 subclass 232]    232Combined lighting and heating:
 This subclass is indented under subclass 231.  Devices in which the heating-burner is supplied with gas through the medium of a bypass without affecting the operation of the lighting burner. As a rule one may be employed to the exclusion of the other, or both at one and the same time.

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254,for heating and lighting burners used in connection with a gas bracket attachment.

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239, Fluid Sprinkling, Spraying, and Diffusing,   subclasses 390+ for a fluid distributor having plural interchangeable discharge modifiers, outlet arrangements or coupling means, and subclasses 436+ for a fluid distributor having selectively usable or variable diverse terminal outlets, even though the distributor may be disclosed as a burner.
  
[List of Patents for class 126 subclass 233]    233Jet mixer:
 This subclass is indented under subclass 231.  Devices provided with specific gas and air mixing means whereby the illuminating-flame is converted into a heating-flame.
  
[List of Patents for class 126 subclass 234]    234Tool-controlled valve:
 This subclass is indented under subclass 231.  Devices provided with tool controlled valve mechanism.

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52,for article controlled valve mechanism.
238,for soldering iron controlled valve mechanism.
  
[List of Patents for class 126 subclass 235]    235Lamp attachments:
 This subclass is indented under subclass 229.  Devices designed to be attached to lamps, but mainly the lamp chimney. In this subclass will be found curling iron heaters.

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231,for gas burner attachments.
  
[List of Patents for class 126 subclass 236]    236Soldering iron:
 This subclass is indented under subclass 226.  Devices that are portable in character and provided with special means for retaining a soldering iron in the furnace.

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25,for portable cooking stoves.
  
[List of Patents for class 126 subclass 237]    237Gas heaters:
 This subclass is indented under subclass 236.  Devices heated by gaseous fuel.
  
[List of Patents for class 126 subclass 238]    238Tool-controlled valve:
 This subclass is indented under subclass 237.  Devices provided with special forms of automatic gas supply and cut-off devices.

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52,for article controlled valve mechanism.
234,for other tool controlled valve mechanism.
  
[List of Patents for class 126 subclass 239]    239Liquid fuel:
 This subclass is indented under subclass 236.  Devices heated by liquid fuel.
  
[List of Patents for class 126 subclass 240]    240Combined heater and solder pot:
 This subclass is indented under subclass 239.  Devices designed for the combined heating of soldering irons and the melting or solder pot.
  
[List of Patents for class 126 subclass 241]    241Lamp:
 This subclass is indented under subclass 239.  Devices in which the heating means employed is a lamp.
  
[List of Patents for class 126 subclass 242]    242ASH DISCHARGE AND COLLECTING:
 This subclass is indented under the class definition.  Subject matter designed for the handy removal and collection of ashes from domestic stoves and furnaces. In most instances the devices have direct connection with the stove ash-pit and are in the form of chutes leading to receptacles and provided with gravity-traps. The chutes may also be provided with screens for separating the cinders from the ashes. Includes also receptacles and ash-pit-attaching means and means for removing ashes from the pit into the receptacle.

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110, Furnaces,   subclasses 165+ for ash receiving and handling devices of that class.
193, Conveyors, Chutes, Skids, Guides, and Ways,   subclass 34 for vertical wall chutes.
209, Classifying, Separating, and Assorting Solids,   subclasses 233+ for sifters.
220, Receptacles,   appropriate subclasses for containers of more general utility.
  
[List of Patents for class 126 subclass 243]    243Ash pans:
 This subclass is indented under subclass 242.  Devices employed in stove or furnace ashpits.

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110, Furnaces,   subclass 166 for other ashpans.
  
[List of Patents for class 126 subclass 244]    244Sifting:
 This subclass is indented under subclass 243.  Devices provided with sifting means.

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209, Classifying, Separating, and Assorting Solids,   particularly subclasses 376 and 377 for other sifters.
  
[List of Patents for class 126 subclass 245]    245Combined stove and ash pan:
 This subclass is indented under subclass 242.  Devices that include some special feature of stove structure which cooperates with the pan to produce the intended result.
  
[List of Patents for class 126 subclass 246]    246Dish:
 This subclass is indented under the unnumbered subclass, HEATERS.  Heaters for warming dishes or other articles or for keeping warm food-containing vessels after removal from the stove and in which a heat-retaining substance, either liquid or solid, adapted to be preheated is employed.

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33,for steam tables.
207,for block heated body warmers.
262,for combined lunch can and heater.
400,for heat accumulator blocks, per se.
  
[List of Patents for class 126 subclass 247]    247Frictional:
 This subclass is indented under the unnumbered subclass, HEATERS.  Heaters designed to generate heat by friction.
  
[List of Patents for class 126 subclass 248]    248Drum:
 This subclass is indented under the unnumbered subclass, Attachments.  Subject matter relating to drum attachments adapted for use with heating or illuminating burners.

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97,for heating and illuminating liquid fuel stoves.
  
[List of Patents for class 126 subclass 249]    249Gas jet:
 This subclass is indented under the unnumbered subclass, Attachments.  Subject matter relating to attachments in the form of brackets or supports not directly supported by a gas-bracket designed to sustain articles over a flame.

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248, Supports,   appropriate subclasses for mere supports and brackets not limited by structure to use in supporting articles over a flame, even though disclosed as for supporting an article over a flame.
362, Illumination,   subclasses 453+ for combined socket attached shade and bowl supports.
  
[List of Patents for class 126 subclass 250]    250Air:
 This subclass is indented under subclass 249.  Devices relating to air heating attachments adapted for use with the ordinary house gas-bracket.

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248,for drum attachments.
  
[List of Patents for class 126 subclass 251]    251Jet mixer:
 This subclass is indented under subclass 250.  Devices provided with means for mixing gas and air in advance of the flame-point.
  
[List of Patents for class 126 subclass 252]    252Article support:
 This subclass is indented under subclass 249.  Devices directly attached or connected to the ordinary gas-bracket.
  
[List of Patents for class 126 subclass 253]    253Jet mixer:
 This subclass is indented under subclass 252.  Devices provided with means for mixing gas and air in advance of the flame-point.

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233,and 251, for other jet mixers.
  
[List of Patents for class 126 subclass 254]    254Combined:
 This subclass is indented under subclass 249.  Devices relating to combined heating or lighting burners which are so related that they can be used jointly or separately.

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232,for other combined lighting and heating.

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239, Fluid Sprinkling, Spraying, and Diffusing,   subclasses 390+ for a fluid distributor having plural interchangeable discharge modifiers, outlet arrangements or coupling means, and subclasses 436+ for a fluid distributor having selectively usable or variable diverse terminal outlets, even though the distributor may be disclosed as a burner.
  
[List of Patents for class 126 subclass 255]    255Lamp:
 This subclass is indented under the unnumbered subclass, Attachments.  Subject matter relating to attachments designed for use with lamp or wick burners.
  
[List of Patents for class 126 subclass 256]    256Article support:
 This subclass is indented under subclass 255.  Devices relating to article supporting attachments that are supported upon the lamp-body independent of the lamp-chimney.

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248, Supports,   appropriate subclasses for mere supports and brackets not limited by structure to use with a lamp.
  
[List of Patents for class 126 subclass 257]    257Air:
 This subclass is indented under the unnumbered subclass, Chimney heaters.  Devices relating to air-heaters, usually of drum form, specially applicable to lamp-chimneys.

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248,for drum heater attachments.
  
[List of Patents for class 126 subclass 258]    258Article support:
 This subclass is indented under the unnumbered subclass, Chimney heaters.  Devices relating to article supporting brackets that are specially designed to be supported upon lamp-chimneys.

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235,for other lamp attachments.
  
[List of Patents for class 126 subclass 259]    259Air heaters:
 This subclass is indented under the unnumbered subclass, Stands.  Devices relating to air or drum heaters that are supported by stands, over and independent of the lamp structure.
  
[List of Patents for class 126 subclass 260]    260Article support:
 This subclass is indented under the unnumbered subclass, Stands.  Devices relating to article supporting stands that are employed in connection with lamp-heaters, and they are independent of the form or character of the heater.

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248, Supports,   subclasses 127+ for stands not limited by structure to the above, even though disclosed as for use in supporting articles over a lamp.
  
[List of Patents for class 126 subclass 261]    261Lunch:
 This subclass is indented under the unnumbered subclass, HEATERS.  Heaters designed for warming and keeping warm articles of food. Includes nursery or hot-water bags provided with bottle receptacles or pockets combined with heating means.

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383, Flexible Bags,   subclass 901 for hot water bags.
  
[List of Patents for class 126 subclass 262]    262Combined can and heater:
 This subclass is indented under subclass 261.  Devices relating to closed receptacles containing food products that are provided with permanently attached heaters.
  
[List of Patents for class 126 subclass 263.01]    263.01Chemical:
 This subclass is indented under the unnumbered subclass, HEATERS.  Subject matter comprising an apparatus for applying heat resulting from a first substance being brought into contact with a second substance, thereby, generates a chemical reaction which produces heat without producing a flame.

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204+,for body warmers, the containers of which are of particular configuration or structure for adaptation to the body.

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44, Fuel and Related Compositions,   subclasses 250+ for flammables or glowless fuel compositions, per se, and in containers used for packaging or transportation only and subclasses 901+ for a collection of patents having heating means combined with exemplary material to be heated.
62, Refrigeration,   subclass 4 for means using a chemical reaction to produce a refrigeration effect.
122, Liquid Heaters and Vaporizers,   subclass 21 for boilers having chemical heaters.
132, Toilet,   subclass 220 for hair curlers including chemical heaters.
149, Explosive and Thermic Compositions or Charges,   appropriate subclasses for explosive compositions and particularly subclasses 37+ for compositions containing a metallic fuel and an oxygen supplying compound.
166, Wells,   subclass 58 for a chemical heater adapted for use in a well.
228, Metal Fusion Bonding,   subclasses 56.1+ for a single or plural layer metal article useful as a filler material in a metal fusion bonding operation combined with a thermic segment.
252, Compositions,   subclass 70 for reversibly exothermic-endothermic compositions, per se, and in containers used for packaging or transportation only.
426, Food or Edible Material: Processes, Compositions, and Products,   subclasses 113+ for a package of food combined with means to heat the food.
  
[List of Patents for class 126 subclass 263.02]    263.02Oxidation with air:
 This subclass is indented under subclass 263.01.  Subject matter wherein the first substance is brought into contact with oxygen of the atmosphere, thereby, generating the chemical reaction which produces heat without producing the flame.
  
[List of Patents for class 126 subclass 263.03]    263.03Crystallization of supercooled liquid:
 This subclass is indented under subclass 263.01.  Subject matter wherein the first substance is in a liquid state and when it is cooled below its freezing temperature and the second substance is brought into contact with it, the first substance changes to crystals.
  
[List of Patents for class 126 subclass 263.04]    263.04By escape of reactant from container within liquid:
 This subclass is indented under subclass 263.03.  Subject matter wherein the second substance is located within a container and the crystallization is caused by the second substance escaping from the container into the liquid while the container is located within the liquid.
  
[List of Patents for class 126 subclass 263.05]    263.05Liquid in contact with solid (e.g., water and lime):
 This subclass is indented under subclass 263.01.  Subject matter wherein the first substance which is in a liquid state such as water brought into contact with the second substance which is a solid-state such as lime, thereby, generating the chemical reaction which produces heat without producing the flame.
  
[List of Patents for class 126 subclass 263.06]    263.06Including separate solid and liquid compartments:
 This subclass is indented under subclass 263.05.  Subject matter wherein the liquid substance and the solid substance are kept in separate containers.
  
[List of Patents for class 126 subclass 263.07]    263.07Flexible wall compartment (e.g., flexible plastic bag):
 This subclass is indented under subclass 263.06.  Subject matter wherein a portion of an outer wall of one of the containers for the solid and the liquid substances is made of a pliable material.
  
[List of Patents for class 126 subclass 263.08]    263.08Including means to rupture or open solid or liquid compartment:
 This subclass is indented under subclass 263.07.  Subject matter wherein one of the containers includes a device which is capable of piercing or opening the outer wall of the container so as to bring the solid substance into contact with the liquid substance to generate a chemical reaction.
(1) Note. This subclass is intended to include means other than merely a characteristic of the flexible material which can cause rupture or opening of the container. The container merely having a weakened area of the flexible material which is joined with glue or such similar material is not included in this subclass.

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263.09,for means to rupture or open a compartment of a solid or liquid substance.
  
[List of Patents for class 126 subclass 263.09]    263.09Including means to rupture or open solid or liquid compartment:
 This subclass is indented under subclass 263.06.  Subject matter wherein one of the containers includes a device which is capable of piercing or opening an outer wall of one of the containers so as to bring the solid substance into contact with the liquid substance.

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263.08,for means to rupture or open a compartment having a flexible wall.
  
[List of Patents for class 126 subclass 263.1]    263.1Including time release coating on solid in contact with liquid:
 This subclass is indented under subclass 263.06.  Subject matter wherein the solid substance includes a covering made of material which when brought into contact with the liquid substance slows down a rate of penetration of the liquid substance into the solid substance, thereby, prolonging a duration of release of heat.
  
[List of Patents for class 126 subclass 265]    265Liquid or gaseous fuel:
 This subclass is indented under subclass 261.  Devices employing liquid or gaseous fuel as the heating medium.
  
[List of Patents for class 126 subclass 266]    266Dinner buckets:
 This subclass is indented under subclass 265.  Devices known as dinner pail or buckets.
  
[List of Patents for class 126 subclass 267]    267Combined bucket and lantern:
 This subclass is indented under subclass 266.  Devices structurally adapted to be employed as lanterns.

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209,for liquid or gaseous fuel burning body warmers adapted to be employed both as heater and lantern.

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362, Illumination,   appropriate subclasses for other combined light and structure devices.
  
[List of Patents for class 126 subclass 268]    268Wagon:
 This subclass is indented under subclass 261.  Devices relating to vehicles, sometimes designated "caterers’ wagons", designed to keep food at a predetermined temperature while conveying the same to customers or dining room.

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276,for ovens adapted to be mounted on wheeled structures.
  
[List of Patents for class 126 subclass 269]    269Powder:
 This subclass is indented under the unnumbered subclass, HEATERS.  Devices specially adapted for the thawing of explosives, such as powder, dynamite, etc.

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284,for glue pots.
377.1through 392.1, for an open-top liquid heating vessel that may include a lid having a confining, directing, or shielding feature for a liquid or steam used to heat the vessel.

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220, Receptacles,   subclasses 573 .4 and 573.5 for double boiler-type receptacles.
  
[List of Patents for class 126 subclass 271.1]    271.1Surface:
 This subclass is indented under the unnumbered subclass, HEATERS.  Miscellaneous devices for applying heat to surfaces and generally adapted to be moved over the surface. Includes devices for heating surfaces by steam, that either comes in contact with the surface to be heated or is applied by a radiator. Includes devices for thawing frozen earth in placer mining, melting snow and ice, burning weeds or stubble, heating ground for cultivation, and solid fuel paint breamers.

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37, Excavating,   subclasses 227+ for devices for excavating and melting the excavated snow.
43, Fishing, Trapping, and Vermin Destroying,   subclass 144 for surface heaters having added features for seeking out insects for destruction, and even though additionally disclosed as weed burners.
239, Fluid Sprinkling, Spraying, and Diffusing,   subclasses 128+ and 146+ for wheeled carts having a heating means and a nozzle structure for discharging steam or a heated fluid, and see the class definition of Class 239, section III (h), for the line between Classes 126 and 239.
404, Road Structure, Process, or Apparatus,   subclass 77 for a process of in situ heating of earth or road surface, subclasses 79+, a process of heating earth or road surface and subclass 95 for means to heat earth or road surface.
  
[List of Patents for class 126 subclass 271.2]    271.2Fluid fuel:
 This subclass is indented under subclass 271.1.  Devices for applying the products of combustion of fluid fuel, hot air heated by fluid fuel, steam in combination with either the products of combustion or hot air.

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431, Combustion,   subclass 344 for a flame holder-fuel tank assembly not particularly adapted for heating a surface (e.g., gasoline blow torch, etc.) and subclass 345 for a flame holder having an attached handle.
  
[List of Patents for class 126 subclass 271.3]    271.3Solid fuel:
 This subclass is indented under subclass 271.1.  Devices for applying the products of combustion of solid fuel or the radiant heat thereof, of hot air, or steam in combination with products of combustion or hot air.
  
[List of Patents for class 126 subclass 273]    273Domestic:
 This subclass is indented under the unnumbered subclass, OVENS.  Devices comprising ovens of the household type that do not fall under more specific classes and subclasses.

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3,4, 9, 19, 19.5, 198, 218, 337, and 506, for other devices including oven structure.

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219, Electric Heating,   subclass 391 for electrically heated ovens.
  
[List of Patents for class 126 subclass 273.5]    273.5With heat accumulator, e.g., fireless:
 This subclass is indented under subclass 273.  Ovens provided with means to store or retain a substantial quantity of heat to be given up to the contents of the oven over an extended period of time. So called "Fireless Cookers" are here classified. The oven is frequently heat insulated to conserve heat.

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207,for heated block type of body warmer.
375.1,for an open-top liquid heating vessel that may include a lid having a heat accumulator.
400,for heat accumulator blocks, per se.

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220, Receptacles,   subclasses 560.12+ , 592.01+, and 903 for insulated vessels in general.
  
[List of Patents for class 126 subclass 274]    274Dutch:
 This subclass is indented under subclass 273.  Domestic ovens, portable in character, having an open side and adapted to receive radiated heat from an open fireplace or stove.
  
[List of Patents for class 126 subclass 275]    275Portable:
 This subclass is indented under subclass 273.  Domestic ovens structurally independent of stove structure and designed to be placed upon stove-surfaces. This subclass includes those devices that are known in the trade as portable gas and vapor stove ovens.

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369through 369.3, for a steam chamber for food that may include a chamber placed over a steam generator.
  
[List of Patents for class 126 subclass 276]    276Wagon:
 This subclass is indented under the unnumbered subclass, OVENS.  Ovens specially adapted to be mounted upon wheeled structures. These devices are usually termed traveling kitchens.

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268,for vehicles, for keeping food warm while conveying same to customers or dining room.
  
[List of Patents for class 126 subclass 277]    277PLATFORMS:
 This subclass is indented under the class definition.  Devices, usually platforms, designed to support stove-bodies. The platform may be provided with means for sustaining it in an elevated position.

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55,and 305, for other structures for supporting stoves.
  
[List of Patents for class 126 subclass 278]    278Stove boards:
 This subclass is indented under subclass 277.  Platforms designed to rest flat upon the floor-surface and to protect the floor from the heat of a stove resting thereon.
  
[List of Patents for class 126 subclass 279]    279Ventilating:
 This subclass is indented under subclass 278.  Devices so constructed as to allow for a free circulation of air beneath or through them.

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500+,for fireplace bases or hearths having air feeding or ventilating features therein.
  
[List of Patents for class 126 subclass 280]    280SOOT CATCHERS:
 This subclass is indented under the class definition.  Devices comprising receptacles designed to be so placed or suspended that they will catch or receive the soot falling from stovepipe or chimney openings.
  
[List of Patents for class 126 subclass 281]    281DOUGH RAISERS:
 This subclass is indented under the class definition.  Devices comprising pans or trays designed for the raising of dough and usually provided with means for heating and maintaining the heat of the pan or tray at a uniform temperature in excess of that of the surrounding atmosphere.

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377.1through 392.1, for an open-top liquid heating vessel that may include a lid having a confining, directing, or shielding feature for a liquid or steam used to heat the vessel.

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312, Supports: Cabinet Structure,   subclass 236 for cabinets having both storage and heating means not special to this class.
  
[List of Patents for class 126 subclass 282]    282Lamp type:
 This subclass is indented under subclass 281.  Dough-raising devices, having a heater of the liquid-fuel-burner type.
  
[List of Patents for class 126 subclass 283]    283FUEL BOXES:
 This subclass is indented under the class definition.  Devices comprising fuel-holding cabinets provided with means for permitting the withdrawal of small quantities of fuel.

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209, Classifying, Separating, and Assorting, Solids,   subclass 377 for enclosed sifters adapted for operation in connection with or within stoves or furnaces.
312, Supports: Cabinet Structure,   subclass 236 for cabinets having both storage and heating means not special to this class.
  
[List of Patents for class 126 subclass 284]    284GLUE POTS:
 This subclass is indented under the class definition.  Devices primarily designed for the melting of glue and analogous substances. The pots are usually water or steam jacketed.

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33,for a cooking stove having a table heated by steam or hot water.
282,for a dough raiser heated by a liquid fuel burner.
377.1through 392.1, for an open-top liquid heating vessel that may include a lid having a confining, directing, or shielding feature for a liquid or steam used to heat the vessel.
  
[List of Patents for class 126 subclass 285]    285DAMPERS:
 This subclass is indented under the class definition.  Devices comprising miscellaneous dampers not classifiable otherwise.

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110, Furnaces,   subclass 192 for a solid fuel furnace or incinerator provided with a timer to control all or a portion of the furnace or incinerator.
454, Ventilation,   subclasses 322+ for damper details of registers.
  
[List of Patents for class 126 subclass 285.5]    285.5Timer-controlled:
 This subclass is indented under subclass 285.  Device comprising means controlling time as which the damper is either opened or closed, or the length of time between the opening and closing of the damper.

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110, Furnaces,   subclass 192 for a solid fuel furnace or incinerator provided with a timer to control all or a portion of the furnace or incinerator.
  
[List of Patents for class 126 subclass 286]    286Distance operating devices:
 This subclass is indented under subclass 285.  Devices including operating means located at a distance and designed to operate smoke, air-flue, and stove draft-dampers.
  
[List of Patents for class 126 subclass 287]    287Door-operated:
 This subclass is indented under subclass 286.  Damper-operating devices, that are coupled up or connected to stove-doors and designed to operate the damper upon the opening or closing of the stove-door.

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110, Furnaces,   subclass 158 for devices for admitting air to a furnace smoke box where the air opening valve is controlled by movement of the furnace door.
  
[List of Patents for class 126 subclass 287.5]    287.5Fusible release:
 This subclass is indented under subclass 285.  Dampers for stoves or furnaces with fusible means for holding them in inoperative position, but which when the temperature reaches a certain limit fuses and allows the damper to move in position to check the fire.

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137, Fluid Handling,   subclasses 72+ for valves controlled by a fusible or heat destructible element.
  
[List of Patents for class 126 subclass 289]    289Stove:
 This subclass is indented under subclass 285.  Dampers structurally adapted for use with heating or cooking stoves.
  
[List of Patents for class 126 subclass 290]    290Draft:
 This subclass is indented under subclass 289.  Dampers designed to control the admission of air to the combustion-chamber.

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193,for doors designed to admit a current of air into the combustion chamber above the fuel level.
  
[List of Patents for class 126 subclass 291]    291Repair:
 This subclass is indented under subclass 289.  Dampers designed to replace broken or worn-out dampers and adjustable to stoves of different sizes.

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145,for adjustable stove linings.
153,for adjustable grates.
  
[List of Patents for class 126 subclass 292]    292Stovepipe:
 This subclass is indented under subclass 285.  Devices comprising miscellaneous stovepipe and air-flue dampers.
  
[List of Patents for class 126 subclass 293]    293Combined damper and ventilator:
 This subclass is indented under subclass 292.  Damper devices where the smoke-controlling damper and the ventilating-damper are so connected that the movement of one operates to move the other.
  
[List of Patents for class 126 subclass 294]    294Cone:
 This subclass is indented under subclass 292.  Dampers in the form of a sectional truncated cone. One or both of its sides are usually movable, so as to cause direct or retarded draft in the pipe.
  
[List of Patents for class 126 subclass 295]    295Lock and indicator:
 This subclass is indented under subclass 292.  Dampers provided with means for locking or holding the damper in a predetermined position, also devices for indicating their position.
  
[List of Patents for class 126 subclass 296]    296Multiple:
 This subclass is indented under subclass 292.  Dampers composed of two or more plates connected by a common operating-rod, so as to receive simultaneous action, thereby affecting the direct or indirect draft of the pipe.
  
[List of Patents for class 126 subclass 297]    297Sinuous passage:
 This subclass is indented under subclass 292.  Devices comprising single-spindle-operating pipe-dampers that have retarding means for giving a circuitous course to the products.
  
[List of Patents for class 126 subclass 298]    298FIRE DOGS:
 This subclass is indented under the class definition.  Devices generally known as andirons. Some of these devices are provided with a shelf or support, also a fender.

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505,for shelves adapted to fireplace grates or any open grate structure.
544+,for fireplace screens, guards and hearth structure.
  
[List of Patents for class 126 subclass 299]    299STOVE HOODS:
 This subclass is indented under the class definition.  Miscellaneous devices, commonly known as stove-hoods, designed to carry off odors from kitchen ranges, etc.

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389.1,for an open-top liquid heating vessel that may include a lid having a vent for steam emitted from the liquid that may be a passageway to a stove hole in a stove top.

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104, Railways,   subclass 52 for smoke removers for use in roundhouses and locomotive sheds over locomotive smoke stacks.
454, Ventilation,   subclasses 49+ for hoods and off takes for conducting away fumes, vapors, steam, dust, etc., from various places.
  
[List of Patents for class 126 subclass 300]    300Stove discharge:
 This subclass is indented under subclass 299.  Stove-hoods that discharge into the stove-body proper.
  
[List of Patents for class 126 subclass 301]    301Stovepipe discharge:
 This subclass is indented under subclass 299.  Stove-hoods provided with means for connecting them with stovepipes and flues.

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312,for stovepipes with ventilators.
  
[List of Patents for class 126 subclass 302]    302Stove casing:
 This subclass is indented under subclass 301.  Stove-hoods designed to inclose a stove; the casing acts as a heat-fender and is provided with ventilating means.

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544+,for devices designed to screen and guard stove and fireplace openings.
  
[List of Patents for class 126 subclass 303]    303Top plate casing:
 This subclass is indented under subclass 301.  Stove-hoods, designed to inclose the top plate of a stove. The casing is usually provided with ventilating means.
  
[List of Patents for class 126 subclass 304]    304STOVE LEGS:
 This subclass is indented under the class definition.  Subject matter comprising stove-legs and the means for attaching them to stove-bodies.

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4, Baths, Closets, Sinks, and Spittoons,   subclass 594 for bath tub legs.
248, Supports,   subclasses 188.2+ for furniture leveling devices and subclasses 188.8+ for pads and feet for furniture.
  
[List of Patents for class 126 subclass 305]    305Base supports:
 This subclass is indented under subclass 304.  Devices in the form of a ring or base, to which the stove-leg is attached, and designed to support the stove-body.

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55,and 277+, for other supporting structures for stoves and subclass 57, for protective casings for car stoves.
  
[List of Patents for class 126 subclass 306]    306Sheet metal:
 This subclass is indented under subclass 304.  Devices comprising sheet-metal stove-legs.
  
[List of Patents for class 126 subclass 307]    307STOVEPIPES:
 This subclass is indented under the class definition.  Devices comprising miscellaneous smoke-flues, designed to convey smoke and waste gases from the fire-pot.

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138, Pipes and Tubular Conduits,