Patent application 14433154 (US), filed 2015-04-02
Publication number: US20150258591A1
Title: PLUG FOR HOT TUBE-MAKING
CPC codes: B21B  25/00
C23C   4/131
B23K2101/20
B23K2103/04
B23K2103/05
B21B  17/02
B21B  19/04
B23K   9/046
B23K  10/027
C23C   4/02
C23C   4/06
Office action: rejection, dated 2015-10-15
Rejection reasons: anticipation_102
obviousness_103
Prior art cited: ref_id: CN102284777
ref_type: patent
severity: novelty_destroying
ref_id: CN 102284777
ref_type: patent
severity: novelty_destroying
ref_id: 20100050723
ref_type: patent
severity: novelty_destroying
Final disposition: granted (2015-10-15)