Patent application 13662028 (US), filed 2012-10-26
Publication number: US20140119152A1
Title: Mixing Blade for Cementitious Material
CPC codes: B25G   1/102
B01F  33/5011
B25G   3/26
Office action: rejection, dated 2015-10-16
Rejection reasons: obviousness_103
Prior art cited: ref_id: 3143984
ref_type: patent
severity: obviousness
ref_id: 2315074
ref_type: patent
severity: obviousness
ref_id: 2246091
ref_type: patent
severity: obviousness
Final disposition: granted (2015-10-16)