Patent application 13467605 (US), filed 2012-05-09
Publication number: US20120288121A1
Title: ACOUSTIC CONTROL DEVICE
CPC codes: H03G   3/3089
H03G   3/3005
Office action: rejection, dated 2015-10-19
Rejection reasons: obviousness_103
Prior art cited: ref_id: 20110228953
ref_type: patent
severity: obviousness
Final disposition: rejected (2015-10-19)