Patent application 14329581 (US), filed 2014-07-11
Publication number: US20150330729A1
Title: WEAPONS SYSTEM MODIFICATION FOR IMPROVED PISTON SYSTEM
CPC codes: F41A   5/20
F41A   5/26
Office action: rejection, dated 2015-10-16
Rejection reasons: anticipation_102
obviousness_103
indefiniteness_112
double_patenting
Prior art cited: ref_id: 20120152104
ref_type: patent
severity: novelty_destroying
ref_id: 2462119
ref_type: patent
severity: novelty_destroying
ref_id: 2791944
ref_type: patent
severity: novelty_destroying
Final disposition: rejected (2015-10-16)