Patent application 14479172 (US), filed 2014-09-05
Publication number: US20140375445A1
Title: PROXIMITY DETECTION SYSTEM AND METHOD AND COLLISION AVOIDANCE SYSTEM AND METHOD USING PROXIMITY DETECTION
CPC codes: G08G   1/166
B60Q   9/008
F16P   3/14
F16P   3/145
F16P   3/147
G08B   3/10
G08B  21/0213
G08B  21/0275
Office action: rejection, dated 2015-10-16
Rejection reasons: obviousness_103
double_patenting
Prior art cited: ref_id: 20060087443
ref_type: patent
severity: obviousness
ref_id: 20050122218
ref_type: patent
severity: obviousness
Final disposition: pending (2015-10-16)