Patent application 13562455 (US), filed 2012-07-31
Publication number: US20140033419A1
Title: PLUNGER
CPC codes: E03C   1/308
E03D   9/00
Office action: rejection, dated 2015-10-15
Rejection reasons: obviousness_103
Prior art cited: ref_id: 8307468
ref_type: patent
severity: obviousness
ref_id: 8782822
ref_type: patent
severity: obviousness
ref_id: 20100313345
ref_type: patent
severity: obviousness
Final disposition: granted (2015-10-15)