Descriptions for F23B and notes/indexes are displayed on this screen.
| F23B
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METHODS OR APPARATUS FOR COMBUSTION USING ONLY SOLID FUEL (for combustion of fuels that are solid at room temperatures, but burned in melted form, e.g. candle wax, C11C 5/00, F23C, F23D; using solid fuel suspended in air F23C, F23D 1/00; using solid fuel suspended in liquids F23C, F23D 11/00; using solid fuel together with fluid fuel or with solid fuel suspended in air, simultaneously or alternately, F23C, F23D 17/00)
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Note(s)
This subclass only covers combustion wherein the main body of fuel is either essentially stationary during combustion or mechanically transported, as opposed to pneumatically transported or suspended in air, during combustion [8]In this subclass, the first place priority rule is applied, i.e. at each hierarchical level, in the absence of an indication to the contrary, classification is made in the first appropriate place In this subclass, methods are classified in the groups that cover the apparatus used. Methods that are not related to a particular type of apparatus are classified in group F23B 90/00 In this subclass, it is desirable to add the indexing codes of groups F23B 101/00-F23B 103/00
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Subclass indexes
COMBUSTION APPARATUS | Combinations of two or more combustion chambers | 10/00 | Specially adapted for portability or transportability | 20/00 | Functional types | 30/00-60/00 | Returning solid combustion residues to the combustion chamber | 70/00 | Creating a distinct flow path for flue gases or for non-combusted gases given off by the fuel | 80/00 | COMBUSTION METHODS NOT RELATED TO A PARTICULAR TYPE OF APPARATUS | 90/00 | SUBJECT MATTER NOT PROVIDED FOR IN OTHER GROUPS OF THIS SUBCLASS | 99/00 |
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