Patent application 13548836 (US), filed 2012-07-13
Publication number: US20130014997A1
Title: Post Hole Digger
CPC codes: E21B   7/005
E21B  19/087
E02D   5/801
E21B   7/027
E21B   7/028
E21B  10/44
Office action: rejection, dated 2015-10-13
Rejection reasons: obviousness_103
indefiniteness_112
Prior art cited: ref_id: 2772549
ref_type: patent
severity: obviousness
ref_id: 4492493
ref_type: patent
severity: obviousness
ref_id: 7357399
ref_type: patent
severity: obviousness
ref_id: 20090321134
ref_type: patent
severity: obviousness
Final disposition: granted (2015-10-13)