Patent application 13561456 (US), filed 2012-07-30
Publication number: US20140027430A1
Title: MELTING APPARATUS
CPC codes: C01B  33/02
F27D   3/1518
C01B  33/037
C30B  11/002
C30B  15/06
C30B  15/14
C30B  29/06
F27B  14/0806
Office action: rejection, dated 2015-10-15
Rejection reasons: obviousness_103
Prior art cited: ref_id: 4685963
ref_type: patent
severity: obviousness
ref_id: 6117230
ref_type: patent
severity: obviousness
ref_id: 4203951
ref_type: patent
severity: obviousness
ref_id: EP 1484770
ref_type: patent
severity: obviousness
ref_id: 20090020257
ref_type: patent
severity: obviousness
Final disposition: granted (2015-10-15)