Patent application 14163664 (US), filed 2014-01-24
Publication number: US20140212652A1
Title: FIREPROOF BULKHEAD OF A HIGHLY POROUS STRUCTURE WITH INTUMESCENT COATING AND METHOD FOR ITS PRODUCTION
CPC codes: A62C   2/065
B05D   1/18
Y10T 428/249953
Y10T 428/249969
Y10T 428/24997
A62C   3/08
B05D   1/02
B29C  41/02
B64C   1/10
B64D  45/00
B64G   1/52
C09K  21/02
Office action: rejection, dated 2015-10-16
Rejection reasons: obviousness_103
indefiniteness_112
Prior art cited: ref_id: 20050246973
ref_type: patent
severity: obviousness
ref_id: 6811122
ref_type: patent
severity: obviousness
ref_id: 4529742
ref_type: patent
severity: obviousness
Final disposition: pending (2015-10-16)