Patent application 14312502 (US), filed 2014-06-23
Publication number: US20150368823A1
Title: INTERFERENCE COLORING OF THICK, POROUS, OXIDE FILMS
CPC codes: C25D  11/26
C25D  11/08
C25D  11/10
C25D  11/12
C25D  11/16
C25D  11/22
C25D  11/246
C25D  11/30
C25D  11/34
Office action: rejection, dated 2015-10-15
Rejection reasons: obviousness_103
indefiniteness_112
double_patenting
Prior art cited: ref_id: 20050221712
ref_type: patent
severity: obviousness
ref_id: 20130153429
ref_type: patent
severity: obviousness
Final disposition: pending (2015-10-15)