Patent application 14240561 (US), filed 2014-02-24
Publication number: US20140230412A1
Title: TRAPPED SOOT ESTIMATOR
CPC codes: F01N   3/021
F01N   9/002
F01N  11/005
F01N2900/04
F01N2900/1606
F02D2041/1417
F02D2200/0812
Y02T  10/40
Office action: rejection, dated 2015-10-15
Rejection reasons: subject_matter_101
indefiniteness_112
Final disposition: granted (2015-10-15)