Patent application 13876705 (US), filed 2013-08-06
Publication number: US20130334735A1
Title: WIND TURBINE BLADE TUBULAR SPAR FABRICATING METHOD
CPC codes: B29C  70/443
B29D  99/0025
Y02P  70/50
B29L2031/085
F03D   1/0675
F05B2280/6003
Y02E  10/72
Office action: rejection, dated 2015-10-19
Rejection reasons: obviousness_103
indefiniteness_112
Prior art cited: ref_id: WO 2009139619
ref_type: patent
severity: obviousness
ref_id: WO 2010037762
ref_type: patent
severity: obviousness
Final disposition: pending (2015-10-19)