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==US Classes=={|border="2" cellspacing="0" cellpadding="4" width="100%"|align = "center" bgcolor = "#4F81BD" width="38"|<font color="#FFFFFF">'''S. No.'''</font>|align = "center" bgcolor = "#4F81BD"|<font color="#FFFFFF">'''US Class'''</font>|align = "center" bgcolor = "#4F81BD"|<font color="#FFFFFF">'''Definition'''</font>|-|align = "center" bgcolor = "#DCE6F1"|1|align = "center" bgcolor = "#DCE6F1"|<font color="#0000FF"><u>[http://www.uspto.gov/web/patents/classification/uspc290/sched290.htm#C290S044000 290/044]</u></font>|bgcolor = "#DCE6F1"|Prime-mover dynamo plants / electric control / Fluid-current motors / '''Wind '''|-|align = "center"|2|align = "center"|<font color="#0000FF"><u>[http://www.uspto.gov/web/patents/classification/uspc290/sched290.htm#C290S055000 290/055]</u></font>|Prime-mover dynamo plants / Fluid-current motors / '''Wind''' |-|align = "center" bgcolor = "#DCE6F1"|3|align = "center" bgcolor = "#DCE6F1"|<font color="#0000FF"><u>[http://www.uspto.gov/web/patents/classification/uspc318/sched318.htm#C318S727000 318/727]</u></font>|bgcolor = "#DCE6F1"|Electricity: motive power systems / '''Induction motor systems '''|-|align = "center"|4|align = "center"|<font color="#0000FF"><u>[http://www.uspto.gov/web/patents/classification/uspc322/sched322.htm#C322S047000 322/047]</u></font>|Electricity: single generator systems / Generator control / '''Induction generator '''|-|}
==Concept Table==