Patent application 13322310 (US), filed 2011-11-23
Publication number: US20120067444A1
Title: LEVELING VALVE
CPC codes: F16K   3/32
Y10T 137/86919
B60G  17/0565
B60G2300/10
B60G2500/202
F15B  13/0405
F16K  17/105
F16K  17/18
Office action: rejection, dated 2015-10-16
Rejection reasons: anticipation_102
Prior art cited: ref_id: 4638837
ref_type: patent
severity: novelty_destroying
ref_id: 5560591
ref_type: patent
severity: novelty_destroying
Final disposition: rejected (2015-10-16)