Patent application 14248558 (US), filed 2014-04-09
Publication number: US20140327259A1
Title: LIFTING SYSTEM FOR LOW PROFILE ELEMENT BASKETS FOR ROTARY REGENERATIVE AIR PREHEATERS
CPC codes: B66C   1/10
F28D  19/044
Office action: rejection, dated 2015-10-15
Rejection reasons: obviousness_103
Prior art cited: ref_id: 20110285156
ref_type: patent
severity: obviousness
Final disposition: granted (2015-10-15)