Application
14914831 · METHOD AND DEVICE FOR THE REGENERATION OF A TWO-CHAMBER AIR DRYER
Filed 2016-02-26 · Granted · Patent 9839874 (2017-12-12) The official file ↗The patent and its PDF ↗ · Art unit 1776 · Examiner Frank M Lawrence Jr Easy · CPC B01D 53/261 · KNORR-BREMSE SYSTEME FÜR SCHIENENFAHRZEUGE GMBH · Barnes & Thornburg LLP (DC)
Office actions
1
first was Non-final rejection
RCEs
0
no appeal
To first action
14.5 mo
to disposition 21.5 mo
Statutes raised
102 103 112
1 actions read