Patent application 14388155 (US), filed 2014-09-25
Publication number: US20150354290A1
Title: VIBRATION DAMPER
CPC codes: E21B  17/1014
E21B  17/07
E21B  17/1078
Office action: rejection, dated 2015-10-16
Rejection reasons: anticipation_102
obviousness_103
indefiniteness_112
Prior art cited: ref_id: 20050145417
ref_type: patent
severity: novelty_destroying
ref_id: 20050098356
ref_type: patent
severity: novelty_destroying
ref_id: 20120080231
ref_type: patent
severity: novelty_destroying
ref_id: 20050145417
ref_type: patent
severity: novelty_destroying
ref_id: 6227312
ref_type: patent
severity: novelty_destroying
Final disposition: pending (2015-10-16)