Array
(
[id] => 11705841
[patent_doc_number] => 20170174340
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2017-06-22
[patent_title] => 'AIRCRAFT ROTOR BLADE OF SHAPE ADAPTED FOR ACOUSTIC IMPROVEMENT DURING APPROACH FLIGHTS AND FOR IMPROVING PERFORMANCE IN HOVERING FLIGHT AND IN FORWARD FLIGHT'
[patent_app_type] => utility
[patent_app_number] => 15/370426
[patent_app_country] => US
[patent_app_date] => 2016-12-06
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
[patent_figures_cnt] => 4
[patent_no_of_words] => 8331
[patent_no_of_claims] => 18
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 0
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15370426
[rel_patent_id] =>[rel_patent_doc_number] =>) 15/370426 | Aircraft rotor blade of shape adapted for acoustic improvement during approach flights and for improving performance in hovering flight and in forward flight | Dec 5, 2016 | Issued |