Patent application 13521808 (US), filed 2012-07-12
Publication number: US20120301665A1
Title: SANDWICH PANELS
CPC codes: B32B   3/12
Y10T 428/24149
Y10T 442/10
B32B   5/024
B32B   5/026
B32B   5/26
B32B   7/04
B32B2260/023
B32B2260/046
B32B2262/0261
B32B2262/0284
B32B2262/106
B32B2264/0214
B32B2307/542
B32B2307/70
B32B2307/718
B64C   1/00
Office action: rejection, dated 2015-10-19
Rejection reasons: obviousness_103
Prior art cited: ref_id: 6508910
ref_type: patent
severity: obviousness
Final disposition: granted (2015-10-19)