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Classification Resources
 
Class   218HIGH-VOLTAGE SWITCHES WITH ARC PREVENTING OR EXTINGUISHING DEVICES
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This Class 218 is considered to be an integral part of Class 200 (see the Class 200 schedule for the position of this Class in schedule hierarchy). This Class retains all pertinent definitions and class lines of Class 200.
[List of Pre Grant Publications for class 218 subclass 1][List of Patents for class 218 subclass 1]1 ARC PREVENTING OR EXTINGUISHING DEVICES
[List of Pre Grant Publications for class 218 subclass 2][List of Patents for class 218 subclass 2]2 Subclass 2 indent level is 1 Multiple break
[List of Pre Grant Publications for class 218 subclass 8][List of Patents for class 218 subclass 8]8 Subclass 8 indent level is 1 Auxiliary shunt
[List of Pre Grant Publications for class 218 subclass 22][List of Patents for class 218 subclass 22]22 Subclass 22 indent level is 1 Magnetic blowout
[List of Pre Grant Publications for class 218 subclass 43][List of Patents for class 218 subclass 43]43 Subclass 43 indent level is 1 Air-current blowout
[List of Pre Grant Publications for class 218 subclass 89][List of Patents for class 218 subclass 89]89 Subclass 89 indent level is 1 Interposed non-conductor
[List of Pre Grant Publications for class 218 subclass 118][List of Patents for class 218 subclass 118]118 Subclass 118 indent level is 1 Vacuum
[List of Pre Grant Publications for class 218 subclass 143][List of Patents for class 218 subclass 143]143 Subclass 143 indent level is 1 Resistance inserting
 [List of Pre Grant Publications for class 218 subclass 145][List of Patents for class 218 subclass 145]145 Subclass 145 indent level is 1 With capacitor
[List of Pre Grant Publications for class 218 subclass 146][List of Patents for class 218 subclass 146]146 Subclass 146 indent level is 1 Contact structure
 [List of Pre Grant Publications for class 218 subclass 148][List of Patents for class 218 subclass 148]148 Subclass 148 indent level is 1 Arc runner (e.g., arc horn)
[List of Pre Grant Publications for class 218 subclass 149][List of Patents for class 218 subclass 149]149 Subclass 149 indent level is 1 Arc chute assembly
[List of Pre Grant Publications for class 218 subclass 152][List of Patents for class 218 subclass 152]152 Subclass 152 indent level is 1 Polyphase
 [List of Pre Grant Publications for class 218 subclass 154][List of Patents for class 218 subclass 154]154 Subclass 154 indent level is 1 Operating mechanism structure or arrangement
[List of Pre Grant Publications for class 218 subclass 155][List of Patents for class 218 subclass 155]155 Subclass 155 indent level is 1 Housing structure
 
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