Patent application 14101705 (US), filed 2013-12-10
Publication number: US20140157829A1
Title: METHOD FOR ACTIVATING AN INNER SURFACE OF A HOLLOW GLASS SUBSTRATE TUBE FOR THE MANUFACTURING OF AN OPTICAL FIBER PREFORM
CPC codes: C03B  37/018
C03B  37/0183
Y02P  40/57
C03B  37/01861
C03C2218/33
Office action: rejection, dated 2015-10-13
Rejection reasons: obviousness_103
indefiniteness_112
Prior art cited: ref_id: 20090003787
ref_type: patent
severity: obviousness
ref_id: 20090004404
ref_type: patent
severity: obviousness
Final disposition: pending (2015-10-13)