Patent application 13898393 (US), filed 2013-05-20
Publication number: US20150253434A1
Title: OMNIDIRECTIONAL OPTICAL WAVEGUIDE
CPC codes: G02B   6/4298
G01T   1/20
Office action: rejection, dated 2015-10-19
Rejection reasons: anticipation_102
obviousness_103
indefiniteness_112
Prior art cited: ref_id: 20100276602
ref_type: patent
severity: novelty_destroying
ref_id: 20090101844
ref_type: patent
severity: novelty_destroying
ref_id: 20100276602
ref_type: patent
severity: novelty_destroying
Final disposition: granted (2015-10-19)