Patent application 14655776 (US), filed 2015-06-26
Publication number: US20150343843A1
Title: TIRE TREAD WITH INCOMPATIBLE RUBBERS
CPC codes: B60C   1/0016
B60C  11/0008
C08K   3/04
C08K   3/06
C08K   3/36
C08K   5/09
C08K   5/54
C08K2003/2296
C08L   9/06
C08L  57/02
C08L2205/025
Office action: rejection, dated 2015-10-16
Rejection reasons: obviousness_103
indefiniteness_112
Prior art cited: ref_id: 20110040002
ref_type: patent
severity: obviousness
Final disposition: rejected (2015-10-16)