Patent application 13581731 (US), filed 2012-08-29
Publication number: US20120318382A1
Title: LEAK DETECTION ON FLUSH VALVE
CPC codes: E03D   1/32
Y10T 137/7358
E03D   1/00
F16K  31/28
F16K  33/00
Office action: rejection, dated 2015-10-13
Rejection reasons: anticipation_102
indefiniteness_112
Prior art cited: ref_id: WO 2009141518
ref_type: patent
severity: novelty_destroying
Final disposition: granted (2015-10-13)