Patent application 13933345 (US), filed 2013-07-02
Publication number: US20150007405A1
Title: TILE AND GROUT CLEANING BRUSHROLL
CPC codes: A47L   9/0477
Office action: rejection, dated 2015-10-15
Rejection reasons: obviousness_103
Prior art cited: ref_id: 8028366
ref_type: patent
severity: obviousness
ref_id: 4530128
ref_type: patent
severity: obviousness
ref_id: 2043758
ref_type: patent
severity: obviousness
ref_id: 20060076035
ref_type: patent
severity: obviousness
Final disposition: rejected (2015-10-15)