Array
(
[id] => 2976191
[patent_doc_number] => 05202772
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1993-04-13
[patent_title] => 'Color halftone screen utilizing preselected halftone dots placed at preselected distance and screen angles from center halftone dots'
[patent_app_type] => 1
[patent_app_number] => 7/663726
[patent_app_country] => US
[patent_app_date] => 1991-02-28
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 10
[patent_figures_cnt] => 10
[patent_no_of_words] => 8458
[patent_no_of_claims] => 34
[patent_no_of_ind_claims] => 7
[patent_words_short_claim] => 41
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/202/05202772.pdf
[firstpage_image] =>[orig_patent_app_number] => 663726
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/663726 | Color halftone screen utilizing preselected halftone dots placed at preselected distance and screen angles from center halftone dots | Feb 27, 1991 | Issued |