 Electronic File Wrappers |  Electronic Patent Documents |  Paper Patent Documents | Current as of: June, 1999
|  and Services |
| DF | CLASS NOTES | |
| 1 | DF | ARC PREVENTING OR EXTINGUISHING DEVICES |
| 2 | DF | .~ Multiple break |
| 3 | DF | .~.~ Hybrid-type |
| 4 | DF | .~.~ Series connected break |
| 5 | DF | .~.~ Simultaneous break |
| 6 | DF | .~.~ Sequential break |
| 7 | DF | .~.~ Operating mechanism structure or arrangement |
| 8 | DF | .~ Auxiliary shunt |
| 9 | DF | .~.~ Polyphase |
| 10 | DF | .~.~ Vacuum switch |
| 11 | DF | .~.~ Tubular shaped |
| 12 | DF | .~.~ Disconnect switch |
| 13 | DF | .~.~ Gas type |
| 14 | DF | .~.~ Operating mechanism structure or arrangement |
| 15 | DF | .~.~ Arc chute assembly |
| 16 | DF | .~.~ Contact structure |
| 17 | DF | .~.~.~ Movable contact assembly |
| 18 | DF | .~.~.~.~ Arcing contact |
| 19 | DF | .~.~.~.~ Movable contact assembly reciprocates |
| 20 | DF | .~.~.~.~ Movable contact assembly pivots |
| 21 | DF | .~.~.~.~.~ Arcing contact pivots relative to movable main contact assembly |
| 22 | DF | .~ Magnetic blowout |
| 23 | DF | .~.~ Permanent magnet |
| 24 | DF | .~.~.~ Magnetic yoke structure |
| 25 | DF | .~.~.~ Located outside switch housing |
| 26 | DF | .~.~.~ Located inside switch housing |
| 27 | DF | .~.~.~ Connected to contact |
| 28 | DF | .~.~.~ Plural coils |
| 29 | DF | .~.~ Arc Spinner |
| 30 | DF | .~.~ Contact structure |
| 31 | DF | .~.~.~ Bridging contacts |
| 32 | DF | .~.~.~ Pivot |
| 33 | DF | .~.~.~ Reverse looped or flexible stationary contact |
| 34 | DF | .~.~ Arc chute |
| 35 | DF | .~.~.~ With vent means |
| 36 | DF | .~.~.~ Arc runner (e.g., arc horn) |
| 37 | DF | .~.~.~ Insulated conductor structure |
| 38 | DF | .~.~.~.~ Arc splitting means |
| 39 | DF | .~.~.~.~ Skew, parallel, or vertical position |
| 40 | DF | .~.~ Arc runner (e.g., arc horn) |
| 41 | DF | .~.~ Barrier |
| 42 | DF | .~.~ Within vacuum |
| 43 | DF | .~ Air-current blowout |
| 44 | DF | .~.~ Polyphase |
| 45 | DF | .~.~ Disconnect switch |
| 46 | DF | .~.~ Arcing chamber |
| 47 | DF | .~.~.~ Plural chambers |
| 48 | DF | .~.~ Contact structure |
| 49 | DF | .~.~.~ Fixed |
| 50 | DF | .~.~.~ Movable |
| 51 | DF | .~.~ With gas flow means |
| 52 | DF | .~.~.~ Exhaust port |
| 53 | DF | .~.~ With nozzle |
| 54 | DF | .~.~.~ With throat region |
| 55 | DF | .~.~ Grounding switch |
| 56 | DF | .~.~ Self extinguishing |
| 57 | DF | .~.~ Puffer piston |
| 58 | DF | .~.~.~ Polyphase |
| 59 | DF | .~.~.~ With gas blast means |
| 60 | DF | .~.~.~.~ Piston structure |
| 61 | DF | .~.~.~.~ Compressing cylinder structure |
| 62 | DF | .~.~.~.~.~ With nozzle |
| 63 | DF | .~.~.~ With nozzle |
| 64 | DF | .~.~.~.~ With throat region |
| 65 | DF | .~.~.~ Contact structure |
| 66 | DF | .~.~.~ Valve (e.g., blast valve or pressure relief valve) |
| 67 | DF | .~.~.~ Disconnect switch |
| 68 | DF | .~.~ Sealed chamber |
| 69 | DF | .~.~.~ Plural switch connected in series |
| 70 | DF | .~.~.~.~ Hybrid-type |
| 71 | DF | .~.~.~ Polyphase |
| 72 | DF | .~.~.~ With nozzle |
| 73 | DF | .~.~.~.~ With throat region |
| 74 | DF | .~.~.~ Contact structure |
| 75 | DF | .~.~.~ Busbar |
| 76 | DF | .~.~.~ Arcing chamber |
| 77 | DF | .~.~.~ Shielding |
| 78 | DF | .~.~.~ Operating mechanism structure or arrangement |
| 79 | DF | .~.~.~ Grounding switch |
| 80 | DF | .~.~.~ Disconnect switch |
| 81 | DF | .~.~ Arc chute |
| 82 | DF | .~.~ Identical units back-to-back |
| 83 | DF | .~.~ Recirculating systems |
| 84 | DF | .~.~ Operating mechanism structure or arrangement |
| 85 | DF | .~.~ Arc extinguishing medium |
| 86 | DF | .~.~ Low pressure cut-off valve means |
| 87 | DF | .~.~ Magnetic synchronous contacts |
| 88 | DF | .~.~ Control of blast valve and contacts |
| 89 | DF | .~ Interposed non-conductor |
| 90 | DF | .~.~ Gas-evolving chamber |
| 91 | DF | .~.~ Liquid |
| 92 | DF | .~.~.~ Operating mechanism structure or arrangement |
| 93 | DF | .~.~.~.~ Piston |
| 94 | DF | .~.~.~.~ Delay means (e.g., dashpot) |
| 95 | DF | .~.~.~.~ Chemical explosive primer |
| 96 | DF | .~.~.~.~ With oil flow feature |
| 97 | DF | .~.~.~ Housing or tank structure |
| 98 | DF | .~.~.~.~ With raising and lowering means |
| 99 | DF | .~.~.~.~ With venting means |
| 100 | DF | .~.~.~ Disconnect switch |
| 101 | DF | .~.~.~ Polyphase |
| 102 | DF | .~.~.~ With resistor |
| 103 | DF | .~.~.~ Arcing chamber |
| 104 | DF | .~.~.~.~ Including magnet or coil |
| 105 | DF | .~.~.~.~ Grid or baffle stack |
| 106 | DF | .~.~.~.~ With venting means |
| 107 | DF | .~.~.~ Contact structure |
| 108 | DF | .~.~.~.~ Movable |
| 109 | DF | .~.~.~ Valve (e.g., spring biased valve plate) |
| 110 | DF | .~.~.~ Bridging contacts |
| 111 | DF | .~.~.~ Explosion pot |
| 112 | DF | .~.~.~ Oil poor breaker |
| 113 | DF | .~.~.~ Rotary contact |
| 114 | DF | .~.~.~ Pressure generating arc control means |
| 115 | DF | .~.~.~.~ Plural series connected |
| 116 | DF | .~.~.~ Puffer-piston |
| 117 | DF | .~.~ Solid |
| 118 | DF | .~ Vacuum |
| 119 | DF | .~.~ Polyphase |
| 120 | DF | .~.~.~ Operating mechanism structure or arrangement |
| 121 | DF | .~.~ Single-pole |
| 122 | DF | .~.~.~ Pressure monitoring means |
| 123 | DF | .~.~.~ Contact structure |
| 124 | DF | .~.~.~.~ Movable |
| 125 | DF | .~.~.~.~ Fixed |
| 126 | DF | .~.~.~.~ Auxiliary |
| 127 | DF | .~.~.~.~ Significant shape |
| 128 | DF | .~.~.~.~.~ Slotted or grooved |
| 129 | DF | .~.~.~.~.~ Coil |
| 130 | DF | .~.~.~.~ Specific material |
| 131 | DF | .~.~.~.~.~ Getter |
| 132 | DF | .~.~.~.~.~ Alloy |
| 133 | DF | .~.~.~.~.~ Beryllium |
| 134 | DF | .~.~.~ Housing structure |
| 135 | DF | .~.~.~.~ Bellows |
| 136 | DF | .~.~.~.~ Shielding |
| 137 | DF | .~.~.~.~.~ With support |
| 138 | DF | .~.~.~.~ Potted or encapsulated |
| 139 | DF | .~.~ Housing structure |
| 140 | DF | .~.~ Operating mechanism structure or arrangement |
| 141 | DF | .~.~ With magnetic coil |
| 142 | DF | .~.~.~ Located inside housing |
| 143 | DF | .~ Resistance inserting |
| 144 | DF | .~.~ With capacitor |
| 145 | DF | .~ With capacitor |
| 146 | DF | .~ Contact structure |
| 147 | DF | .~.~ Arc shielding means |
| 148 | DF | .~ Arc runner (e.g., arc horn) |
| 149 | DF | .~ Arc chute assembly |
| 150 | DF | .~.~ Material |
| 151 | DF | .~.~ Metal plates structure |
| 152 | DF | .~ Polyphase |
| 153 | DF | .~.~ Operating mechanism structure or arrangement |
| 154 | DF | .~ Operating mechanism structure or arrangement |
| 155 | DF | .~ Housing structure |
| 156 | DF | .~.~ Arcing chamber |
| 157 | DF | .~.~.~ With venting means |
| 158 | DF | .~.~.~ Arc extinguishing material |