Patent application 13677022 (US), filed 2012-11-14
Publication number: US20130068094A1
Title: Piston Having Dual Gallery, Method of Construction, and Piston Body Portions Thereof
CPC codes: F02F   3/003
Y10T  29/49249
Y10T  29/49252
Y10T  29/49254
Y10T  29/49256
B23K2101/003
B23K  20/122
B23K  20/129
B23P  15/10
F02F   3/22
F02F2003/0061
F16J   1/005
Office action: rejection, dated 2015-10-14
Rejection reasons: anticipation_102
Prior art cited: ref_id: 8286852
ref_type: patent
severity: novelty_destroying
ref_id: 6477941
ref_type: patent
severity: novelty_destroying
ref_id: 3930472
ref_type: patent
severity: novelty_destroying
Final disposition: pending (2015-10-14)