Array
(
[id] => 2954574
[patent_doc_number] => 05262663
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1993-11-16
[patent_title] => 'DRAM cell having tunnel shaped structure and formation process thereof'
[patent_app_type] => 1
[patent_app_number] => 7/635731
[patent_app_country] => US
[patent_app_date] => 1990-12-28
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 18
[patent_figures_cnt] => 37
[patent_no_of_words] => 4155
[patent_no_of_claims] => 9
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 263
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/262/05262663.pdf
[firstpage_image] =>[orig_patent_app_number] => 635731
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/635731 | DRAM cell having tunnel shaped structure and formation process thereof | Dec 27, 1990 | Issued |