CPC Subgroup
B24B 3/36 of cutting blades (B24B3/58 takes precedence)
Full Title
Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools (non-abrasive sharpening devices for scythes, sickles, or the like A01D3/00; sharpening devices designed as components of machines with cutters, see the relevant places for the machines, e.g. A01D75/08, B26D7/12; sharpening of saw teeth B23D63/12; sharpening of files or rasps B23D73/00; grinding of die-stocks or chasers B23G1/36) > of cutting blades (B24B3/58 takes precedence)
13 direct subcodes
Child Classifications
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- B24B 3/38 for planing wood, e.g. cutter blades
- B24B 3/40 Processes or apparatus specially adapted for sharpening curved edges
- B24B 3/42 helically bent, e.g. for lawn mowers
- B24B 3/44 of scythes or sickles
- B24B 3/46 of disc blades
- B24B 3/48 of razor blades or razors (by an abrasive block without mechanisms B24D)
- B24B 3/52 of shear blades or scissors
- B24B 3/54 of hand or table knives