Patent application 13742487 (US), filed 2013-01-16
Publication number: US20130126155A1
Title: Methods and Apparatus for Removing Liquid from a Gas Producing Well
CPC codes: E21B  43/127
E21B  43/34
F04B  47/02
Office action: rejection, dated 2015-10-16
Rejection reasons: obviousness_103
Prior art cited: ref_id: 20110268586
ref_type: patent
severity: obviousness
ref_id: 2169815
ref_type: patent
severity: obviousness
ref_id: 4512149
ref_type: patent
severity: obviousness
ref_id: 2316494
ref_type: patent
severity: obviousness
Final disposition: pending (2015-10-16)