Patent application 13912588 (US), filed 2013-06-07
Publication number: US20140360613A1
Title: INSTRUMENTATION LINE PROTECTION AND SECUREMENT SYSTEM
CPC codes: E21B  17/026
E21B  47/01
F16L  11/12
E21B  17/1035
E21B  47/12
Office action: rejection, dated 2015-10-15
Rejection reasons: obviousness_103
Prior art cited: ref_id: 20110036565
ref_type: patent
severity: obviousness
ref_id: 20020125009
ref_type: patent
severity: obviousness
ref_id: 20100236779
ref_type: patent
severity: obviousness
ref_id: 20130292117
ref_type: patent
severity: obviousness
ref_id: 20090242214
ref_type: patent
severity: obviousness
Final disposition: rejected (2015-10-15)