Patent application 14390410 (US), filed 2014-10-03
Publication number: US20150041521A1
Title: METHOD OF FRICTION-STIR WELDING OF STEEL SHEET
CPC codes: B23K  20/122
B23K  20/227
B23K2101/18
B23K2103/04
B23K2101/006
B23K  20/1255
B23K  35/3073
C22C  38/00
C22C  38/001
C22C  38/002
C22C  38/02
C22C  38/04
C22C  38/06
C22C  38/08
C22C  38/12
C22C  38/14
C22C  38/16
C22C  38/18
C22C  38/42
C22C  38/46
C22C  38/50
Office action: rejection, dated 2015-10-16
Rejection reasons: obviousness_103
indefiniteness_112
Prior art cited: ref_id: JP 10060573
ref_type: patent
severity: obviousness
ref_id: 20060049234
ref_type: patent
severity: obviousness
Final disposition: rejected (2015-10-16)