Array
(
[id] => 2120843
[patent_doc_number] => 04430875
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1984-02-14
[patent_title] => 'Rolling mill for the stretch-reducing of tubes'
[patent_app_type] => 1
[patent_app_number] => 6/276023
[patent_app_country] => US
[patent_app_date] => 1981-06-22
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 1
[patent_figures_cnt] => 1
[patent_no_of_words] => 3147
[patent_no_of_claims] => 5
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 54
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/430/04430875.pdf
[firstpage_image] =>[orig_patent_app_number] => 276023
[rel_patent_id] =>[rel_patent_doc_number] =>) 06/276023 | Rolling mill for the stretch-reducing of tubes | Jun 21, 1981 | Issued |