Patent application 14178579 (US), filed 2014-02-12
Publication number: US20150223658A1
Title: Systems, Methods, and Apparatuses for Controlling the Power Supply of a Vacuum Cleaner Motor
CPC codes: H01H  35/18
A47L   5/365
A47L   7/0028
A47L   9/19
A47L   9/2821
A47L   9/2842
A47L   9/2868
A47L   9/2889
H01H  23/14
H01H  35/30
H01H  35/34
H01H2231/012
Y02B  40/00
Office action: rejection, dated 2015-10-16
Rejection reasons: obviousness_103
Prior art cited: ref_id: 5205014
ref_type: patent
severity: obviousness
Final disposition: granted (2015-10-16)