Patent application 13409073 (US), filed 2012-02-29
Publication number: US20120222452A1
Title: ELONGATING METHOD AND APPARATUS FOR GLASS BASE MATERIAL
CPC codes: C03B  37/01242
C03B  23/047
C03B  23/207
C03B  37/0126
Office action: rejection, dated 2015-10-15
Rejection reasons: obviousness_103
Prior art cited: ref_id: 7788951
ref_type: patent
severity: obviousness
ref_id: 20070015651
ref_type: patent
severity: obviousness
ref_id: Hideo JP 5-78139
ref_type: patent
severity: obviousness
Final disposition: granted (2015-10-15)