Patent application 13326357 (US), filed 2011-12-15
Publication number: US20130153042A1
Title: GAS VALVE WITH HIGH/LOW GAS PRESSURE DETECTION
CPC codes: F23N   1/005
Y10T 137/0396
Y10T 137/7761
F23N2231/10
F23N2235/14
F23N2235/16
F23N2235/18
F23N2225/04
F23N2235/24
F23N2223/04
F16K  31/0655
F16K  37/0041
F17D   5/02
G01M   3/2876
G05D   7/0635
G05D  16/2033
Office action: rejection, dated 2015-10-15
Rejection reasons: obviousness_103
indefiniteness_112
Prior art cited: ref_id: 20090303076
ref_type: patent
severity: obviousness
Final disposition: granted (2015-10-15)