Patent application 13595974 (US), filed 2012-08-27
Publication number: US20130160757A1
Title: FIREPLACE ASSEMBLY WITH BIOMASS FUEL DELIVERY SYSTEM
CPC codes: F24B   1/181
F24B  13/04
F23K   3/00
F24B   1/024
F24B   1/199
Office action: rejection, dated 2015-10-15
Rejection reasons: obviousness_103
Prior art cited: ref_id: 4427297
ref_type: patent
severity: obviousness
ref_id: 5137010
ref_type: patent
severity: obviousness
ref_id: 20090293860
ref_type: patent
severity: obviousness
ref_id: 20100012684
ref_type: patent
severity: obviousness
Final disposition: granted (2015-10-15)