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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 f