Patent application 14111601 (US), filed 2013-10-14
Publication number: US20140057728A1
Title: SEED METERING DEVICE DRIVE SYSTEM
CPC codes: F16D   1/101
F16D  11/00
A01C  19/02
F16C   1/00
F16C   1/08
F16D  13/08
F16D  27/105
F16D2001/102
Office action: rejection, dated 2015-10-16
Rejection reasons: anticipation_102
obviousness_103
Prior art cited: ref_id: 7571688B1
ref_type: patent
severity: novelty_destroying
ref_id: 7571688B1
ref_type: patent
severity: novelty_destroying
ref_id: 1871528
ref_type: patent
severity: novelty_destroying
Final disposition: granted (2015-10-16)