Patent application 14325083 (US), filed 2014-07-07
Publication number: US20140322058A1
Title: AN OIL-FREE SCREW COMPRESSOR COATED WITH A BASE RESIN, A SOLID LUBRICANT AND A HEAT-RESISTANT ADDITIVE
CPC codes: C10M 169/04
F04C  18/084
F01C   1/14
F04C  18/16
F04C2230/91
F04C2280/04
F05C2225/10
F05C2251/14
Office action: rejection, dated 2015-10-19
Rejection reasons: obviousness_103
indefiniteness_112
double_patenting
Prior art cited: ref_id: 20040224856
ref_type: patent
severity: obviousness
Final disposition: pending (2015-10-19)