CPC Definition - Subclass B28D
Attention is drawn to the following places, which may be of interest for search:
Working brittle material by laser beam | |
Working by grinding or polishing | |
Shaping clay or other ceramic compositions, slag, or mixtures containing cementitious material, e.g. plaster | |
Forming contours for artistic purposes, sculpturing | |
Glass manufacture, shaping, or supplementary processes | |
After-treatment of mortars, concrete, artificial stone or ceramics; treatment of natural stone | |
Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces | |
Machinery for, or methods of, mining or quarrying | |
Processes or apparatus adapted for the manufacture or treatment of semiconductor devices |
This place does not cover:
Examples of places where the subject matter of this place is covered when specially adapted, used for a particular purpose, or incorporated in a larger system:
Fine working of gems, jewels, crystals | |
Rotary drilling machines | |
Drill bits for earth or rock drilling |
Attention is drawn to the following places, which may be of interest for search:
Meat or bone saws | |
Surgical saws | |
Saws for dentistry | |
Sawing in general, sawing metal | |
Grinding edges of lenses | |
Grinders for cutting-off | |
Sawing wood or similar material | |
Forming contours for artistic purposes, sculpturing | |
Bits for picks or pick-holders for mining or quarrying |
This place does not cover:
Dressing the tools of sawing machines or sawing devices | |
Treating the cutting members of cutting machines to facilitate cutting |
This place does not cover:
Devices for removing chips fitted to machine tools in general | |
Grinding; Polishing | |
Fine working of gems, jewels, crystals for artistic purposes | |
Multi-step processes for fine working semiconductor material |
Attention is drawn to the following places, which may be of interest for search:
Working brittle material by laser beam | |
Processes or apparatus adapted for the manufacture or treatment of semiconductor devices |
This place does not cover:
Sawing stone with a circular saw blade or disc with the work mounted on a carriage | |
Devices for removing chips fitted to machine tools in general |
Examples of places where the subject matter of this place is covered when specially adapted, used for a particular purpose, or incorporated in a larger system:
Breaking gems, jewels, crystals by bringing the workpiece into contact with a suitably shaped rigid body which remains stationary during breaking | |
Means for supporting or holding work during breaking of gems, jewels, crystals | |
Accessories specially adapted for use with machines for fine working of gems, jewels, crystals |