Patent application 13812660 (US), filed 2013-01-28
Publication number: US20130119618A1
Title: HYDRAULIC EXPANDING LOCK
CPC codes: B23B  31/305
Y10T 279/1216
Y10T 279/17821
B23B  31/008
B23B  31/1075
Office action: rejection, dated 2015-10-19
Rejection reasons: anticipation_102
obviousness_103
Prior art cited: ref_id: Schunk German patent DE9002248U1
ref_type: patent
severity: novelty_destroying
ref_id: 5286042
ref_type: patent
severity: novelty_destroying
ref_id: 4266895
ref_type: patent
severity: novelty_destroying
ref_id: Schunk German patent DE9002248U1
ref_type: patent
severity: novelty_destroying
Final disposition: granted (2015-10-19)