| | CLASS NOTES |
| 1.1 | DF | ARMS MAKING {1} |
| 1.2 | DF | PROJECTILE MAKING {2} |
| 1.3 | DF | CARTRIDGE CASING MAKING {2} |
| 2 | DF | BATTERY-GRID MAKING |
| 2.1 | DF | BIAS (I.E., HELICALLY) CUTTING OF TUBULAR STOCK {7} |
| 3 | DF | BUCKLE MAKING |
| 4 | DF | BUTTON-FASTENER MAKING |
| 4.51 | DF | SHREDDING METAL OR METAL WOOL ARTICLE MAKING {2} |
| 4.6 | DF | CORD HEDDLE MAKING |
| 5 | DF | COTTER-PIN MAKING |
| 6.01 | DF | CRANKSHAFT MAKING APPARATUS |
| 6.1 | DF | EXPANDED METAL MAKING {1} |
| 7 | DF | EYEBOLT OR HOOK MAKING |
| 7.1 | DF | FENCE BARB MAKING {2} |
| 8 | DF | FINGER-RING FORMING OR SIZING |
| 9 | DF | FISHHOOK MAKING |
| 10 | DF | GEM AND JEWEL SETTING |
| 11 | DF | HINGE MAKING OR ASSEMBLING |
| 12 | DF | LACING-STUD MAKING |
| 13 | DF | PAPER-FASTENER MAKING |
| 14 | DF | PLOW OR CULTIVATOR IRON MAKING |
| 15 | DF | PUDDLERS' BALLS MAKING |
| 16 | DF | RAILWAY-CHAIR MAKING |
| 17.1 | DF | FOIL OR OTHER THIN SHEET-METAL MAKING OR TREATING {2} |
| 20 | DF | SPECTACLE-FRAME MAKING |
| 20.1 | DF | SPIRAL CUTTING OF FLAT STOCK |
| 21 | DF | STEREOTYPE-PLATE FINISHING |
| 21.1 | DF | MEANS FOR FORMING CLENCH-TONGUE (E.G., FOR TIEBAND) |
| 22 | DF | TIRE UPSETTING, WITH CUTTING, PUNCHING, ETC. |
| 23.1 | DF | TOOTHED-CYLINDER MAKING APPARATUS (E.G., TEXTURE WORKING CYLINDER) |
| 23.51 | DF | IMPELLER MAKING APPARATUS |
| 24 | DF | TYPE FINISHING AND GROOVING |
| 24.5 | DF | VENETIAN BLIND ASSEMBLING |
| 25 | DF | UMBRELLA-FRAME MAKING |
| 25.01 | DF | BARRIER LAYER OR SEMICONDUCTOR DEVICE MAKING {1} |
| 25.35 | DF | PIEZOELECTRIC DEVICE MAKING |
| 25.41 | DF | ELECTRIC CONDENSER MAKING {1} |
| 76.1 | DF | FILING {4} |
| 81.01 | DF | SCALE REMOVER OR PREVENTOR {9} |
| 89.5 | DF | BURNING IN, WEARING IN, OR OIL BURNISHING |
| 90.01 | DF | BURNISHING {4} |
| 91 | DF | UPHOLSTERED ARTICLE MAKING {5} |
| 592 | DF | METHOD OF MECHANICAL MANUFACTURE {54} |
| 560 | DF | CONVERTIBLE METAL WORKING MACHINE {1} |
| 33 R | DF | PLURAL DIVERSE MANUFACTURING APPARATUS INCLUDING MEANS FOR METAL SHAPING OR ASSEMBLING {32} |
| 650 | DF | PLURAL DIVERSE MANUFACTURING APPARATUS |
| 700 | DF | MEANS TO ASSEMBLE OR DISASSEMBLE {55} |
| 284 | DF | MISCELLANEOUS APPARATUS |
| | ****************************** |
| | CROSS-REFERENCE ART COLLECTIONS |
| | ****************************** |
| 900 | DF | METHODS AND APPARATUS FOR ASSEMBLY BY ELECTROSTATIC ATTRACTION |
| 901 | DF | BALANCING METHOD |
| 902 | DF | FILTER MAKING |
| 903 | DF | FIREARM BOLT MAKING |
| 904 | DF | LAMINATED METAL ARTICLE MAKING |
| 905 | DF | MAKING COIL WOUND WALL SCREEN |
| 906 | DF | NUCLEAR DEVICE MAKING |
| | ****************************** |
| | DIGESTS |
| | ****************************** |
| DIG 1 | DF | Method or apparatus involving adhesive |
| DIG 2 | DF | Method or apparatus using aluminum |
| DIG 3 | DF | Method or apparatus with bending |
| DIG 4 | DF | Method or apparatus with brazing |
| DIG 5 | DF | Method or apparatus with casting |
| DIG 6 | DF | Method or apparatus with centrifugal casting |
| DIG 7 | DF | Method or apparatus with cleaning |
| DIG 8 | DF | Method or apparatus with composite casting |
| DIG 9 | DF | Method or apparatus with cup formed and bottom removed |
| DIG 10 | DF | Method or apparatus with die casting |
| DIG 11 | DF | Method or apparatus with drawing |
| DIG 12 | DF | Method or apparatus with electroplating |
| DIG 13 | DF | Method or apparatus with electric heating |
| DIG 14 | DF | Method or apparatus with enameling |
| DIG 15 | DF | Forming article on end of long stock and then cutting off |
| DIG 16 | DF | Method or apparatus with etching |
| DIG 17 | DF | Method or apparatus with making flow lines; crystals |
| DIG 18 | DF | Method or apparatus with forging |
| DIG 19 | DF | Method or apparatus with grinding |
| DIG 20 | DF | Method or apparatus for double blank |
| DIG 21 | DF | Method or apparatus for heating |
| DIG 22 | DF | Method or apparatus using indium |
| DIG 23 | DF | Method or apparatus with knurling |
| DIG 24 | DF | Method or apparatus with local heating |
| DIG 25 | DF | Method or apparatus with particular material |
| DIG 26 | DF | Method or apparatus with machining |
| DIG 27 | DF | Method or apparatus using magnesium |
| DIG 28 | DF | Magnetic recording digest |
| DIG 29 | DF | Molding with other step |
| DIG 30 | DF | Ornamenting with other step |
| DIG 31 | DF | Pressing powder with other step |
| DIG 32 | DF | Rolling with other step |
| DIG 33 | DF | Scoring with other step |
| DIG 34 | DF | Scaling with other step |
| DIG 35 | DF | Shrink fitting with other step |
| DIG 36 | DF | Shot blasting with other step |
| DIG 37 | DF | Stamping with other step |
| DIG 38 | DF | Spot welding with other step |
| DIG 39 | DF | Spraying with other step |
| DIG 40 | DF | Strips of repeated articles - cut up later |
| DIG 41 | DF | Taper tube making |
| DIG 42 | DF | Tension applied during working |
| DIG 43 | DF | Upsetting and flanging tube end |
| DIG 44 | DF | Vacuum |
| DIG 45 | DF | Titanium |
| DIG 46 | DF | Vibration |
| DIG 47 | DF | Extruding with other step |
| DIG 48 | DF | Welding with other step |
| DIG 49 | DF | Work hardening with other step |
| DIG 50 | DF | Cutting fluid application and debris control |
| DIG 51 | DF | Power stop control for movable element |
| DIG 52 | DF | Chip breaker |
| DIG 53 | DF | Workpiece and debris separator |
| DIG 54 | DF | Fluid control interrelated with machine tool mechanism |
| DIG 55 | DF | With cutter drive |
| DIG 56 | DF | With shield or hood movements |
| DIG 57 | DF | With cutter feed |
| DIG 59 | DF | Hood actuated by tool or work approach |
| DIG 60 | DF | Progressive displacement of hood |
| DIG 61 | DF | Plural-type debris removers |
| DIG 62 | DF | Rubbing transfer of solid coating to rotating element |
| DIG 63 | DF | Fluid conveyor or applicator |
| DIG 64 | DF | Ambulatory cutter with fluent conduit |
| DIG 65 | DF | Cutter contained supply reservoir |
| DIG 66 | DF | Fluid flow to channeled cutter |
| DIG 67 | DF | Rotating cutter |
| DIG 68 | DF | Hollow spindle contains |
| DIG 69 | DF | Fluid spreader contacts cutter |
| DIG 70 | DF | Rotary or oscillating fluid applicator |
| DIG 71 | DF | Complete immersion of cutter |
| DIG 72 | DF | Dip or splash supply |
| DIG 73 | DF | Chain or belt conveyor |
| DIG 74 | DF | Partial immersion of cutter |
| DIG 75 | DF | Adjustable liquid level |
| DIG 76 | DF | Movable liquid-carrying trough |
| DIG 77 | DF | With separator or filter |
| DIG 78 | DF | Air blast and/or vacuum conveyor |
| DIG 79 | DF | Removable debris receptacle |
| DIG 81 | DF | Gas as a conveyor |
| DIG 82 | DF | Air current generated by cutter |
| DIG 83 | DF | Fan coaxial with cutter |
| DIG 84 | DF | Vacuum exhaust type |
| DIG 85 | DF | With fluid control valve |
| DIG 86 | DF | Hood encased cutter |
| DIG 87 | DF | Multiple fluid paths |
| DIG 88 | DF | By projecting, squirting or dripping |
| DIG 89 | DF | Gas entrained liquid supply |
| DIG 90 | DF | Elevated tank supply |
| DIG 91 | DF | Plural discharge openings |
| DIG 92 | DF | Fluid channel in cutter |
| DIG 93 | DF | Plural discharge loci |
| DIG 94 | DF | Debris remover, catcher, or deflector |
| DIG 95 | DF | Magnetic or electrostatic |
| DIG 96 | DF | Mechanical removal assistant |
| DIG 97 | DF | Cutter engaging cleaner |
| DIG 98 | DF | Rotating, reciprocating or oscillating cleaner |
| DIG 99 | DF | Flexible conveyor |
| DIG 100 | DF | Screw or cam conveyor |
| DIG 101 | DF | Pan, bed, or table |
| DIG 102 | DF | Debris chute |
| DIG 104 | DF | Tool or work attached |
| DIG 105 | DF | Assembly, magnetic, or indicia tool |
