Array
(
[id] => 2663478
[patent_doc_number] => 04999020
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1991-03-12
[patent_title] => 'Variable displacement high pressure pump with internal power limiting arrangement'
[patent_app_type] => 1
[patent_app_number] => 7/443662
[patent_app_country] => US
[patent_app_date] => 1989-11-30
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
[patent_figures_cnt] => 7
[patent_no_of_words] => 3549
[patent_no_of_claims] => 8
[patent_no_of_ind_claims] => 6
[patent_words_short_claim] => 144
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/999/04999020.pdf
[firstpage_image] =>[orig_patent_app_number] => 443662
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/443662 | Variable displacement high pressure pump with internal power limiting arrangement | Nov 29, 1989 | Issued |