Patent application 14571775 (US), filed 2014-12-16
Publication number: US20150167899A1
Title: MULTIPLE CHEMICAL SUPPLY LINE
CPC codes: F17D   3/03
Y10T 137/0318
Y10T 137/87249
Y10T 137/87571
B08B   9/055
E21B  37/06
E21B  41/0007
F16L  55/46
Office action: rejection, dated 2015-10-15
Rejection reasons: obviousness_103
Prior art cited: ref_id: 20120107051
ref_type: patent
severity: obviousness
Final disposition: pending (2015-10-15)