Patent application 13148633 (US), filed 2011-08-09
Publication number: US20110317862A1
Title: SOUND PICKUP APPARATUS
CPC codes: H04R   1/406
Office action: rejection, dated 2015-10-15
Rejection reasons: obviousness_103
Prior art cited: ref_id: 20070195983
ref_type: patent
severity: obviousness
ref_id: 20100086124
ref_type: patent
severity: obviousness
ref_id: 20050058300
ref_type: patent
severity: obviousness
Final disposition: granted (2015-10-15)