Patent application 14167634 (US), filed 2014-01-29
Publication number: US20150013565A1
Title: COMMUTER TRAIN AND RAILWAY CAR EXIT LADDER ASSEMBLY AND METHODS OF STORAGE AND USE
CPC codes: B61D  23/02
Office action: rejection, dated 2015-10-15
Rejection reasons: anticipation_102
obviousness_103
indefiniteness_112
Prior art cited: ref_id: 4615275
ref_type: patent
severity: novelty_destroying
ref_id: 4615275
ref_type: patent
severity: novelty_destroying
ref_id: 4021071
ref_type: patent
severity: novelty_destroying
Final disposition: granted (2015-10-15)