Patent application 13881847 (US), filed 2013-04-26
Publication number: US20130216064A1
Title: MULTI-BEAM SOUND SYSTEM
CPC codes: H04R   3/00
H04R   3/005
H04R   1/406
H04R2201/403
H04R2430/25
H04R2499/13
Office action: rejection, dated 2015-10-16
Rejection reasons: anticipation_102
obviousness_103
indefiniteness_112
Prior art cited: ref_id: 20070280486
ref_type: patent
severity: novelty_destroying
ref_id: 20070280486
ref_type: patent
severity: novelty_destroying
ref_id: 6748086
ref_type: patent
severity: novelty_destroying
ref_id: 20060182291
ref_type: patent
severity: novelty_destroying
Final disposition: granted (2015-10-16)