Patent application 13917941 (US), filed 2013-06-14
Publication number: US20140369750A1
Title: GROUT CONTAINMENT SHEET AND METHOD
CPC codes: E01C   5/003
E01C   5/001
E01C   5/005
E01C   5/06
E01C   7/147
E01C  23/10
Office action: rejection, dated 2015-10-14
Rejection reasons: obviousness_103
Prior art cited: ref_id: 3909143
ref_type: patent
severity: obviousness
ref_id: 5586834
ref_type: patent
severity: obviousness
Final disposition: rejected (2015-10-14)