Array
(
[id] => 2019531
[patent_doc_number] => 04419806
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1983-12-13
[patent_title] => 'Tool changing device on machine tools, particularly on horizontal boring and milling machines'
[patent_app_type] => 1
[patent_app_number] => 6/214632
[patent_app_country] => US
[patent_app_date] => 1980-12-10
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 5
[patent_figures_cnt] => 22
[patent_no_of_words] => 3838
[patent_no_of_claims] => 7
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 332
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/419/04419806.pdf
[firstpage_image] =>[orig_patent_app_number] => 214632
[rel_patent_id] =>[rel_patent_doc_number] =>) 06/214632 | Tool changing device on machine tools, particularly on horizontal boring and milling machines | Dec 9, 1980 | Issued |